8032045: Enable compiler and linker safety switches for debug builds
Summary: Enable GCC linker protections, runtime bounds checks and stack protection.
Reviewed-by: ihse, dholmes
--- a/common/autoconf/flags.m4 Wed Jul 05 19:44:08 2017 +0200
+++ b/common/autoconf/flags.m4 Thu Jun 12 16:33:32 2014 -0700
@@ -116,15 +116,15 @@
AC_SUBST(RC_FLAGS)
if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
- # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX.
- CCXXFLAGS="$CCXXFLAGS -nologo"
+ # silence copyright notice and other headers.
+ COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
fi
if test "x$SYSROOT" != "x"; then
if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
# Solaris Studio does not have a concept of sysroot. Instead we must
- # make sure the default include and lib dirs are appended to each
+ # make sure the default include and lib dirs are appended to each
# compile and link command line.
SYSROOT_CFLAGS="-I$SYSROOT/usr/include"
SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \
@@ -302,6 +302,7 @@
# Debug symbols
if test "x$TOOLCHAIN_TYPE" = xgcc; then
if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
+ # reduce from default "-g2" option to save space
CFLAGS_DEBUG_SYMBOLS="-g1"
CXXFLAGS_DEBUG_SYMBOLS="-g1"
else
@@ -313,6 +314,7 @@
CXXFLAGS_DEBUG_SYMBOLS="-g"
elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
CFLAGS_DEBUG_SYMBOLS="-g -xs"
+ # FIXME: likely a bug, this disables debug symbols rather than enables them
CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
CFLAGS_DEBUG_SYMBOLS="-g"
@@ -321,6 +323,31 @@
AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
+ # bounds, memory and behavior checking options
+ if test "x$TOOLCHAIN_TYPE" = xgcc; then
+ case $DEBUG_LEVEL in
+ release )
+ # no adjustment
+ ;;
+ fastdebug )
+ # Add compile time bounds checks.
+ CFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1"
+ CXXFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1"
+ ;;
+ slowdebug )
+ # Add runtime bounds checks and symbol info.
+ CFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1"
+ CXXFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1"
+ if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
+ CFLAGS_DEBUG_OPTIONS="$CFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
+ CXXFLAGS_DEBUG_OPTIONS="$CXXFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
+ fi
+ ;;
+ esac
+ fi
+ AC_SUBST(CFLAGS_DEBUG_OPTIONS)
+ AC_SUBST(CXXFLAGS_DEBUG_OPTIONS)
+
# Optimization levels
if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
@@ -330,10 +357,12 @@
C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
+ C_O_FLAG_DEBUG="-xregs=no%frameptr"
C_O_FLAG_NONE="-xregs=no%frameptr"
CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
+ CXX_O_FLAG_DEBUG="-xregs=no%frameptr"
CXX_O_FLAG_NONE="-xregs=no%frameptr"
if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
@@ -343,10 +372,12 @@
C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
+ C_O_FLAG_DEBUG=""
C_O_FLAG_NONE=""
CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
+ C_O_FLAG_DEBUG=""
CXX_O_FLAG_NONE=""
fi
else
@@ -359,13 +390,17 @@
C_O_FLAG_HIGHEST="-Os"
C_O_FLAG_HI="-Os"
C_O_FLAG_NORM="-Os"
- C_O_FLAG_NONE=""
else
C_O_FLAG_HIGHEST="-O3"
C_O_FLAG_HI="-O3"
C_O_FLAG_NORM="-O2"
- C_O_FLAG_NONE="-O0"
fi
+ if test "x$HAS_CFLAG_OPTIMIZE_DEBUG" = "xtrue"; then
+ C_O_FLAG_DEBUG="$CFLAG_OPTIMIZE_DEBUG_FLAG"
+ else
+ C_O_FLAG_DEBUG="-O0"
+ fi
+ C_O_FLAG_NONE="-O0"
elif test "x$TOOLCHAIN_TYPE" = xclang; then
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
# On MacOSX we optimize for size, something
@@ -373,37 +408,63 @@
C_O_FLAG_HIGHEST="-Os"
C_O_FLAG_HI="-Os"
C_O_FLAG_NORM="-Os"
- C_O_FLAG_NONE=""
else
C_O_FLAG_HIGHEST="-O3"
C_O_FLAG_HI="-O3"
C_O_FLAG_NORM="-O2"
- C_O_FLAG_NONE="-O0"
fi
+ C_O_FLAG_DEBUG="-O0"
+ C_O_FLAG_NONE="-O0"
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
C_O_FLAG_HIGHEST="-O3"
C_O_FLAG_HI="-O3 -qstrict"
C_O_FLAG_NORM="-O2"
- C_O_FLAG_NONE=""
+ C_O_FLAG_DEBUG="-qnoopt"
+ C_O_FLAG_NONE="-qnoop"
elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
C_O_FLAG_HIGHEST="-O2"
C_O_FLAG_HI="-O1"
C_O_FLAG_NORM="-O1"
+ C_O_FLAG_DEBUG="-Od"
C_O_FLAG_NONE="-Od"
fi
CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
CXX_O_FLAG_HI="$C_O_FLAG_HI"
CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
+ CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
fi
+ # Adjust optimization flags according to debug level.
+ case $DEBUG_LEVEL in
+ release )
+ # no adjustment
+ ;;
+ fastdebug )
+ # Not quite so much optimization
+ C_O_FLAG_HI="$C_O_FLAG_NORM"
+ CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
+ ;;
+ slowdebug )
+ # Disable optimization
+ C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
+ C_O_FLAG_HI="$C_O_FLAG_DEBUG"
+ C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
+ CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
+ CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
+ CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
+ ;;
+ esac
+
AC_SUBST(C_O_FLAG_HIGHEST)
AC_SUBST(C_O_FLAG_HI)
AC_SUBST(C_O_FLAG_NORM)
+ AC_SUBST(C_O_FLAG_DEBUG)
AC_SUBST(C_O_FLAG_NONE)
AC_SUBST(CXX_O_FLAG_HIGHEST)
AC_SUBST(CXX_O_FLAG_HI)
AC_SUBST(CXX_O_FLAG_NORM)
+ AC_SUBST(CXX_O_FLAG_DEBUG)
AC_SUBST(CXX_O_FLAG_NONE)
])
@@ -461,11 +522,12 @@
# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
#
- # Setup compiler/platform specific flags to CFLAGS_JDK,
- # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?)
+ # Setup compiler/platform specific flags into
+ # CFLAGS_JDK - C Compiler flags
+ # CXXFLAGS_JDK - C++ Compiler flags
+ # COMMON_CCXXFLAGS_JDK - common to C and C++
if test "x$TOOLCHAIN_TYPE" = xgcc; then
- # these options are used for both C and C++ compiles
- CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
-pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
case $OPENJDK_TARGET_CPU_ARCH in
arm )
@@ -477,31 +539,31 @@
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
;;
* )
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
;;
esac
elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
- CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
fi
-
+
CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
- CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
-DWIN32 -DIAL"
if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
fi
fi
@@ -509,28 +571,20 @@
# Adjust flags according to debug level.
case $DEBUG_LEVEL in
- fastdebug )
- CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
- CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
- C_O_FLAG_HI="$C_O_FLAG_NORM"
- C_O_FLAG_NORM="$C_O_FLAG_NORM"
- CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
- CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
+ fastdebug | slowdebug )
+ CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS"
+ CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS"
JAVAC_FLAGS="$JAVAC_FLAGS -g"
;;
- slowdebug )
- CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
- CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
- C_O_FLAG_HI="$C_O_FLAG_NONE"
- C_O_FLAG_NORM="$C_O_FLAG_NONE"
- CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
- CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
- JAVAC_FLAGS="$JAVAC_FLAGS -g"
+ release )
+ ;;
+ * )
+ AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
;;
esac
# Setup LP64
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64"
# Set some common defines. These works for all compilers, but assume
# -D is universally accepted.
@@ -543,49 +597,49 @@
# Note: -Dmacro is the same as #define macro 1
# -Dmacro= is the same as #define macro
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
fi
else
# Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
# are defined in the system?
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN="
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN="
else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
fi
fi
-
+
# Setup target OS define. Use OS target name but in upper case.
OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
# Setup target CPU
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
-
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
+
# Setup debug/release defines
if test "x$DEBUG_LEVEL" = xrelease; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG"
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED"
fi
else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG"
fi
# Setup release name
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
# Set some additional per-OS defines.
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
elif test "x$OPENJDK_TARGET_OS" = xaix; then
# FIXME: PPC64 should not be here.
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64"
elif test "x$OPENJDK_TARGET_OS" = xbsd; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
fi
# Additional macosx handling
@@ -595,22 +649,22 @@
# FIXME: clean this up, and/or move it elsewhere.
# Setting these parameters makes it an error to link to macosx APIs that are
- # newer than the given OS version and makes the linked binaries compatible
+ # newer than the given OS version and makes the linked binaries compatible
# even if built on a newer version of the OS.
# The expected format is X.Y.Z
MACOSX_VERSION_MIN=10.7.0
AC_SUBST(MACOSX_VERSION_MIN)
-
+
# The macro takes the version with no dots, ex: 1070
# Let the flags variables get resolved in make for easier override on make
# command line.
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
fi
fi
# Setup some hard coded includes
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \
-I${JDK_OUTPUTDIR}/include \
-I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
-I${JDK_TOPDIR}/src/share/javavm/export \
@@ -619,12 +673,12 @@
-I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
# The shared libraries are compiled using the picflag.
- CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
- CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
+ CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
+ CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
# Executable flags
- CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
- CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
+ CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
+ CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
AC_SUBST(CFLAGS_JDKLIB)
AC_SUBST(CFLAGS_JDKEXE)
@@ -633,6 +687,7 @@
# Setup LDFLAGS et al.
#
+
# Now this is odd. The JDK native libraries have to link against libjvm.so
# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
@@ -648,39 +703,93 @@
fi
# TODO: make -debug optional "--disable-full-debug-symbols"
LDFLAGS_JDK="$LDFLAGS_JDK -debug"
- LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
- LDFLAGS_JDKLIB_SUFFIX=""
+ elif test "x$TOOLCHAIN_TYPE" = xgcc; then
+ # If this is a --hash-style=gnu system, use --hash-style=both, why?
+ # We have previously set HAS_GNU_HASH if this is the case
+ if test -n "$HAS_GNU_HASH"; then
+ LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both"
+ fi
+ if test "x$OPENJDK_TARGET_OS" = xlinux; then
+ # And since we now know that the linker is gnu, then add -z defs, to forbid
+ # undefined symbols in object files.
+ LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
+ case $DEBUG_LEVEL in
+ release )
+ # tell linker to optimize libraries.
+ # Should this be supplied to the OSS linker as well?
+ LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
+ ;;
+ slowdebug )
+ if test "x$HAS_LINKER_NOW" = "xtrue"; then
+ # do relocations at load
+ LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
+ fi
+ if test "x$HAS_LINKER_RELRO" = "xtrue"; then
+ # mark relocations read only
+ LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
+ fi
+ ;;
+ fastdebug )
+ if test "x$HAS_LINKER_RELRO" = "xtrue"; then
+ # mark relocations read only
+ LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
+ fi
+ ;;
+ * )
+ AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
+ ;;
+ esac
+ fi
+ elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+ LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
+ fi
+
+ if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+ # If undefined behaviour detection is enabled then we need to tell linker.
+ case $DEBUG_LEVEL in
+ release | fastdebug )
+ ;;
+ slowdebug )
+ AC_MSG_WARN([$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR])
+ if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
+ # enable undefined behaviour checking
+ LDFLAGS_JDK="$LDFLAGS_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/[ ]*\([^ ]\+\)/ -Xlinker \1/g"`"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/[ ]*\([^ ]\+\)/ -Xlinker \1/g"`"
+ fi
+ ;;
+ * )
+ AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
+ ;;
+ esac
+ fi
+
+ # Customize LDFLAGS for executables
+
+ LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
+
+ if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
LDFLAGS_STACK_SIZE=1048576
else
LDFLAGS_STACK_SIZE=327680
fi
- LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
+ LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
+ elif test "x$OPENJDK_TARGET_OS" = xlinux; then
+ LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
+ fi
+
+ # Customize LDFLAGS for libs
+ LDFLAGS_JDKLIB="${LDFLAGS_JDK}"
+
+ if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+ LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${JDK_OUTPUTDIR}/lib"
+ LDFLAGS_JDKLIB_SUFFIX=""
else
- if test "x$TOOLCHAIN_TYPE" = xgcc; then
- # If this is a --hash-style=gnu system, use --hash-style=both, why?
- # We have previously set HAS_GNU_HASH if this is the case
- if test -n "$HAS_GNU_HASH"; then
- LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
- fi
- if test "x$OPENJDK_TARGET_OS" = xlinux; then
- # And since we now know that the linker is gnu, then add -z defs, to forbid
- # undefined symbols in object files.
- LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
- if test "x$DEBUG_LEVEL" = "xrelease"; then
- # When building release libraries, tell the linker optimize them.
- # Should this be supplied to the OSS linker as well?
- LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
- fi
- fi
- fi
-
- if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
- LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
- LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
- fi
-
- LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
+ LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \
-L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
# On some platforms (mac) the linker warns about non existing -L dirs.
@@ -701,12 +810,8 @@
if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
fi
+ fi
- LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
- if test "x$OPENJDK_TARGET_OS" = xlinux; then
- LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
- fi
- fi
AC_SUBST(LDFLAGS_JDKLIB)
AC_SUBST(LDFLAGS_JDKEXE)
AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
@@ -714,7 +819,6 @@
AC_SUBST(LDFLAGS_CXX_JDK)
])
-
# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
# [RUN-IF-FALSE])
# ------------------------------------------------------------
@@ -727,7 +831,7 @@
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_LANG_PUSH([C])
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
[supports=no])
AC_LANG_POP([C])
CFLAGS="$saved_cflags"
@@ -735,7 +839,7 @@
saved_cxxflags="$CXXFLAGS"
CXXFLAGS="$CXXFLAG $1"
AC_LANG_PUSH([C++])
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
[supports=no])
AC_LANG_POP([C++])
CXXFLAGS="$saved_cxxflags"
@@ -748,6 +852,31 @@
fi
])
+# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
+# [RUN-IF-FALSE])
+# ------------------------------------------------------------
+# Check that the linker support an argument
+AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS],
+[
+ AC_MSG_CHECKING([if linker supports "$1"])
+ supports=yes
+
+ saved_ldflags="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $1"
+ AC_LANG_PUSH([C])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
+ [], [supports=no])
+ AC_LANG_POP([C])
+ LDFLAGS="$saved_ldflags"
+
+ AC_MSG_RESULT([$supports])
+ if test "x$supports" = "xyes" ; then
+ m4_ifval([$2], [$2], [:])
+ else
+ m4_ifval([$3], [$3], [:])
+ fi
+])
+
AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
[
# Some Zero and Shark settings.
--- a/common/autoconf/generated-configure.sh Wed Jul 05 19:44:08 2017 +0200
+++ b/common/autoconf/generated-configure.sh Thu Jun 12 16:33:32 2014 -0700
@@ -692,13 +692,17 @@
LEGACY_EXTRA_CXXFLAGS
LEGACY_EXTRA_CFLAGS
CXX_O_FLAG_NONE
+CXX_O_FLAG_DEBUG
CXX_O_FLAG_NORM
CXX_O_FLAG_HI
CXX_O_FLAG_HIGHEST
C_O_FLAG_NONE
+C_O_FLAG_DEBUG
C_O_FLAG_NORM
C_O_FLAG_HI
C_O_FLAG_HIGHEST
+CXXFLAGS_DEBUG_OPTIONS
+CFLAGS_DEBUG_OPTIONS
CXXFLAGS_DEBUG_SYMBOLS
CFLAGS_DEBUG_SYMBOLS
CXX_FLAG_DEPS
@@ -2346,6 +2350,52 @@
} # ac_fn_objc_try_compile
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ rm -f conftest.$ac_objext conftest$ac_exeext
+ if { { ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_link") 2>conftest.err
+ ac_status=$?
+ if test -s conftest.err; then
+ grep -v '^ *+' conftest.err >conftest.er1
+ cat conftest.er1 >&5
+ mv -f conftest.er1 conftest.err
+ fi
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ test -x conftest$ac_exeext
+ }; then :
+ ac_retval=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_retval=1
+fi
+ # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+ # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+ # interfere with the next link command; also delete a directory that is
+ # left behind by Apple's compiler. We do this before executing the actions.
+ rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+ as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
# ---------------------------------------------------------
# Tests whether HEADER exists, giving a warning if it cannot be compiled using
@@ -3761,13 +3811,18 @@
-
# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
# [RUN-IF-FALSE])
# ------------------------------------------------------------
# Check that the c and c++ compilers support an argument
+# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
+# [RUN-IF-FALSE])
+# ------------------------------------------------------------
+# Check that the linker support an argument
+
+
#
@@ -4253,7 +4308,7 @@
#CUSTOM_AUTOCONF_INCLUDE
# Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1399969244
+DATE_WHEN_GENERATED=1402614845
###############################################################################
#
@@ -40264,6 +40319,8 @@
+
+
# The package path is used only on macosx?
# FIXME: clean this up, and/or move it elsewhere.
PACKAGE_PATH=/opt/local
@@ -40289,6 +40346,242 @@
# If this is a --hash-style=gnu system, use --hash-style=both, why?
HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
# This is later checked when setting flags.
+
+ # "-Og" suppported for GCC 4.8 and later
+ CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports \"$CFLAG_OPTIMIZE_DEBUG_FLAG\"" >&5
+$as_echo_n "checking if compiler supports \"$CFLAG_OPTIMIZE_DEBUG_FLAG\"... " >&6; }
+ supports=yes
+
+ saved_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS $CFLAG_OPTIMIZE_DEBUG_FLAG"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+ supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ CFLAGS="$saved_cflags"
+
+ saved_cxxflags="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAG $CFLAG_OPTIMIZE_DEBUG_FLAG"
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+ supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ CXXFLAGS="$saved_cxxflags"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+ if test "x$supports" = "xyes" ; then
+ HAS_CFLAG_OPTIMIZE_DEBUG=true
+ else
+ HAS_CFLAG_OPTIMIZE_DEBUG=false
+ fi
+
+
+ # "-fsanitize=undefined" supported for GCC 4.9 and later
+ CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG="-fsanitize=undefined -fsanitize-recover"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports \"$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG\"" >&5
+$as_echo_n "checking if compiler supports \"$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG\"... " >&6; }
+ supports=yes
+
+ saved_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+ supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ CFLAGS="$saved_cflags"
+
+ saved_cxxflags="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAG $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int i;
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+ supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ CXXFLAGS="$saved_cxxflags"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+ if test "x$supports" = "xyes" ; then
+ HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=true
+ else
+ HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=false
+ fi
+
+
+ # "-z relro" supported in GNU binutils 2.17 and later
+ LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if linker supports \"$LINKER_RELRO_FLAG\"" >&5
+$as_echo_n "checking if linker supports \"$LINKER_RELRO_FLAG\"... " >&6; }
+ supports=yes
+
+ saved_ldflags="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $LINKER_RELRO_FLAG"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+ supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ LDFLAGS="$saved_ldflags"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+ if test "x$supports" = "xyes" ; then
+ HAS_LINKER_RELRO=true
+ else
+ HAS_LINKER_RELRO=false
+ fi
+
+
+ # "-z now" supported in GNU binutils 2.11 and later
+ LINKER_NOW_FLAG="-Xlinker -z -Xlinker now"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if linker supports \"$LINKER_NOW_FLAG\"" >&5
+$as_echo_n "checking if linker supports \"$LINKER_NOW_FLAG\"... " >&6; }
+ supports=yes
+
+ saved_ldflags="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $LINKER_NOW_FLAG"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+ supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+ LDFLAGS="$saved_ldflags"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+ if test "x$supports" = "xyes" ; then
+ HAS_LINKER_NOW=true
+ else
+ HAS_LINKER_NOW=false
+ fi
+
fi
# Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
@@ -40297,8 +40590,8 @@
if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken SuSE 'ld' which only understands anonymous version tags in executables" >&5
$as_echo_n "checking for broken SuSE 'ld' which only understands anonymous version tags in executables... " >&6; }
- echo "SUNWprivate_1.1 { local: *; };" > version-script.map
- echo "int main() { }" > main.c
+ $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map
+ $ECHO "int main() { }" > main.c
if $CXX -Xlinker -version-script=version-script.map main.c 2>&5 >&5; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
@@ -40768,8 +41061,8 @@
if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
- # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX.
- CCXXFLAGS="$CCXXFLAGS -nologo"
+ # silence copyright notice and other headers.
+ COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
fi
if test "x$SYSROOT" != "x"; then
@@ -40803,7 +41096,6 @@
# Now we can test some aspects on the target using configure macros.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
$as_echo_n "checking for ANSI C header files... " >&6; }
if ${ac_cv_header_stdc+:} false; then :
@@ -41488,6 +41780,7 @@
# Debug symbols
if test "x$TOOLCHAIN_TYPE" = xgcc; then
if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
+ # reduce from default "-g2" option to save space
CFLAGS_DEBUG_SYMBOLS="-g1"
CXXFLAGS_DEBUG_SYMBOLS="-g1"
else
@@ -41499,6 +41792,7 @@
CXXFLAGS_DEBUG_SYMBOLS="-g"
elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
CFLAGS_DEBUG_SYMBOLS="-g -xs"
+ # FIXME: likely a bug, this disables debug symbols rather than enables them
CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
CFLAGS_DEBUG_SYMBOLS="-g"
@@ -41507,6 +41801,31 @@
+ # bounds, memory and behavior checking options
+ if test "x$TOOLCHAIN_TYPE" = xgcc; then
+ case $DEBUG_LEVEL in
+ release )
+ # no adjustment
+ ;;
+ fastdebug )
+ # Add compile time bounds checks.
+ CFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1"
+ CXXFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1"
+ ;;
+ slowdebug )
+ # Add runtime bounds checks and symbol info.
+ CFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1"
+ CXXFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1"
+ if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
+ CFLAGS_DEBUG_OPTIONS="$CFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
+ CXXFLAGS_DEBUG_OPTIONS="$CXXFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
+ fi
+ ;;
+ esac
+ fi
+
+
+
# Optimization levels
if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
@@ -41516,10 +41835,12 @@
C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
+ C_O_FLAG_DEBUG="-xregs=no%frameptr"
C_O_FLAG_NONE="-xregs=no%frameptr"
CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
+ CXX_O_FLAG_DEBUG="-xregs=no%frameptr"
CXX_O_FLAG_NONE="-xregs=no%frameptr"
if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
@@ -41529,10 +41850,12 @@
C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
+ C_O_FLAG_DEBUG=""
C_O_FLAG_NONE=""
CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
+ C_O_FLAG_DEBUG=""
CXX_O_FLAG_NONE=""
fi
else
@@ -41545,13 +41868,17 @@
C_O_FLAG_HIGHEST="-Os"
C_O_FLAG_HI="-Os"
C_O_FLAG_NORM="-Os"
- C_O_FLAG_NONE=""
else
C_O_FLAG_HIGHEST="-O3"
C_O_FLAG_HI="-O3"
C_O_FLAG_NORM="-O2"
- C_O_FLAG_NONE="-O0"
- fi
+ fi
+ if test "x$HAS_CFLAG_OPTIMIZE_DEBUG" = "xtrue"; then
+ C_O_FLAG_DEBUG="$CFLAG_OPTIMIZE_DEBUG_FLAG"
+ else
+ C_O_FLAG_DEBUG="-O0"
+ fi
+ C_O_FLAG_NONE="-O0"
elif test "x$TOOLCHAIN_TYPE" = xclang; then
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
# On MacOSX we optimize for size, something
@@ -41559,30 +41886,56 @@
C_O_FLAG_HIGHEST="-Os"
C_O_FLAG_HI="-Os"
C_O_FLAG_NORM="-Os"
- C_O_FLAG_NONE=""
else
C_O_FLAG_HIGHEST="-O3"
C_O_FLAG_HI="-O3"
C_O_FLAG_NORM="-O2"
- C_O_FLAG_NONE="-O0"
- fi
+ fi
+ C_O_FLAG_DEBUG="-O0"
+ C_O_FLAG_NONE="-O0"
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
C_O_FLAG_HIGHEST="-O3"
C_O_FLAG_HI="-O3 -qstrict"
C_O_FLAG_NORM="-O2"
- C_O_FLAG_NONE=""
+ C_O_FLAG_DEBUG="-qnoopt"
+ C_O_FLAG_NONE="-qnoop"
elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
C_O_FLAG_HIGHEST="-O2"
C_O_FLAG_HI="-O1"
C_O_FLAG_NORM="-O1"
+ C_O_FLAG_DEBUG="-Od"
C_O_FLAG_NONE="-Od"
fi
CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
CXX_O_FLAG_HI="$C_O_FLAG_HI"
CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
+ CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
fi
+ # Adjust optimization flags according to debug level.
+ case $DEBUG_LEVEL in
+ release )
+ # no adjustment
+ ;;
+ fastdebug )
+ # Not quite so much optimization
+ C_O_FLAG_HI="$C_O_FLAG_NORM"
+ CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
+ ;;
+ slowdebug )
+ # Disable optimization
+ C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
+ C_O_FLAG_HI="$C_O_FLAG_DEBUG"
+ C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
+ CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
+ CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
+ CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
+ ;;
+ esac
+
+
+
@@ -41660,11 +42013,12 @@
# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
#
- # Setup compiler/platform specific flags to CFLAGS_JDK,
- # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?)
+ # Setup compiler/platform specific flags into
+ # CFLAGS_JDK - C Compiler flags
+ # CXXFLAGS_JDK - C++ Compiler flags
+ # COMMON_CCXXFLAGS_JDK - common to C and C++
if test "x$TOOLCHAIN_TYPE" = xgcc; then
- # these options are used for both C and C++ compiles
- CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
-pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
case $OPENJDK_TARGET_CPU_ARCH in
arm )
@@ -41676,14 +42030,14 @@
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
;;
* )
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
;;
esac
elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
- CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
fi
@@ -41693,14 +42047,14 @@
CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
- CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
-DWIN32 -DIAL"
if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
- else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
+ else
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
fi
fi
@@ -41708,28 +42062,20 @@
# Adjust flags according to debug level.
case $DEBUG_LEVEL in
- fastdebug )
- CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
- CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
- C_O_FLAG_HI="$C_O_FLAG_NORM"
- C_O_FLAG_NORM="$C_O_FLAG_NORM"
- CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
- CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
+ fastdebug | slowdebug )
+ CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS"
+ CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS"
JAVAC_FLAGS="$JAVAC_FLAGS -g"
;;
- slowdebug )
- CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
- CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
- C_O_FLAG_HI="$C_O_FLAG_NONE"
- C_O_FLAG_NORM="$C_O_FLAG_NONE"
- CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
- CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
- JAVAC_FLAGS="$JAVAC_FLAGS -g"
+ release )
+ ;;
+ * )
+ as_fn_error $? "Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL" "$LINENO" 5
;;
esac
# Setup LP64
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64"
# Set some common defines. These works for all compilers, but assume
# -D is universally accepted.
@@ -41742,49 +42088,49 @@
# Note: -Dmacro is the same as #define macro 1
# -Dmacro= is the same as #define macro
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
- else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
+ else
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
fi
else
# Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
# are defined in the system?
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN="
- else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN="
+ else
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
fi
fi
# Setup target OS define. Use OS target name but in upper case.
OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
# Setup target CPU
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
# Setup debug/release defines
if test "x$DEBUG_LEVEL" = xrelease; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG"
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
- fi
- else
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED"
+ fi
+ else
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG"
fi
# Setup release name
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
# Set some additional per-OS defines.
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
elif test "x$OPENJDK_TARGET_OS" = xaix; then
# FIXME: PPC64 should not be here.
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64"
elif test "x$OPENJDK_TARGET_OS" = xbsd; then
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
fi
# Additional macosx handling
@@ -41803,13 +42149,13 @@
# The macro takes the version with no dots, ex: 1070
# Let the flags variables get resolved in make for easier override on make
# command line.
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
fi
fi
# Setup some hard coded includes
- CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
+ COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \
-I${JDK_OUTPUTDIR}/include \
-I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
-I${JDK_TOPDIR}/src/share/javavm/export \
@@ -41818,12 +42164,12 @@
-I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
# The shared libraries are compiled using the picflag.
- CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
- CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
+ CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
+ CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
# Executable flags
- CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
- CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
+ CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
+ CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
@@ -41832,6 +42178,7 @@
# Setup LDFLAGS et al.
#
+
# Now this is odd. The JDK native libraries have to link against libjvm.so
# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
@@ -41847,39 +42194,94 @@
fi
# TODO: make -debug optional "--disable-full-debug-symbols"
LDFLAGS_JDK="$LDFLAGS_JDK -debug"
- LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
- LDFLAGS_JDKLIB_SUFFIX=""
+ elif test "x$TOOLCHAIN_TYPE" = xgcc; then
+ # If this is a --hash-style=gnu system, use --hash-style=both, why?
+ # We have previously set HAS_GNU_HASH if this is the case
+ if test -n "$HAS_GNU_HASH"; then
+ LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both"
+ fi
+ if test "x$OPENJDK_TARGET_OS" = xlinux; then
+ # And since we now know that the linker is gnu, then add -z defs, to forbid
+ # undefined symbols in object files.
+ LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
+ case $DEBUG_LEVEL in
+ release )
+ # tell linker to optimize libraries.
+ # Should this be supplied to the OSS linker as well?
+ LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
+ ;;
+ slowdebug )
+ if test "x$HAS_LINKER_NOW" = "xtrue"; then
+ # do relocations at load
+ LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
+ fi
+ if test "x$HAS_LINKER_RELRO" = "xtrue"; then
+ # mark relocations read only
+ LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
+ fi
+ ;;
+ fastdebug )
+ if test "x$HAS_LINKER_RELRO" = "xtrue"; then
+ # mark relocations read only
+ LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
+ fi
+ ;;
+ * )
+ as_fn_error $? "Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL" "$LINENO" 5
+ ;;
+ esac
+ fi
+ elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+ LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
+ fi
+
+ if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+ # If undefined behaviour detection is enabled then we need to tell linker.
+ case $DEBUG_LEVEL in
+ release | fastdebug )
+ ;;
+ slowdebug )
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" >&5
+$as_echo "$as_me: WARNING: $HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" >&2;}
+ if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
+ # enable undefined behaviour checking
+ LDFLAGS_JDK="$LDFLAGS_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/ *\(^ \+\)/ -Xlinker \1/g"`"
+ LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/ *\(^ \+\)/ -Xlinker \1/g"`"
+ fi
+ ;;
+ * )
+ as_fn_error $? "Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL" "$LINENO" 5
+ ;;
+ esac
+ fi
+
+ # Customize LDFLAGS for executables
+
+ LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
+
+ if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
LDFLAGS_STACK_SIZE=1048576
else
LDFLAGS_STACK_SIZE=327680
fi
- LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
- else
- if test "x$TOOLCHAIN_TYPE" = xgcc; then
- # If this is a --hash-style=gnu system, use --hash-style=both, why?
- # We have previously set HAS_GNU_HASH if this is the case
- if test -n "$HAS_GNU_HASH"; then
- LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
- fi
- if test "x$OPENJDK_TARGET_OS" = xlinux; then
- # And since we now know that the linker is gnu, then add -z defs, to forbid
- # undefined symbols in object files.
- LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
- if test "x$DEBUG_LEVEL" = "xrelease"; then
- # When building release libraries, tell the linker optimize them.
- # Should this be supplied to the OSS linker as well?
- LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
- fi
- fi
- fi
-
- if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
- LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
- LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
- fi
-
- LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
+ LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
+ elif test "x$OPENJDK_TARGET_OS" = xlinux; then
+ LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
+ fi
+
+ # Customize LDFLAGS for libs
+ LDFLAGS_JDKLIB="${LDFLAGS_JDK}"
+
+ if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+ LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${JDK_OUTPUTDIR}/lib"
+ LDFLAGS_JDKLIB_SUFFIX=""
+ else
+ LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \
-L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
# On some platforms (mac) the linker warns about non existing -L dirs.
@@ -41900,11 +42302,6 @@
if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
fi
-
- LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
- if test "x$OPENJDK_TARGET_OS" = xlinux; then
- LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
- fi
fi
--- a/common/autoconf/toolchain.m4 Wed Jul 05 19:44:08 2017 +0200
+++ b/common/autoconf/toolchain.m4 Thu Jun 12 16:33:32 2014 -0700
@@ -24,11 +24,11 @@
#
########################################################################
-# This file is responsible for detecting, verifying and setting up the
-# toolchain, i.e. the compiler, linker and related utilities. It will setup
+# This file is responsible for detecting, verifying and setting up the
+# toolchain, i.e. the compiler, linker and related utilities. It will setup
# proper paths to the binaries, but it will not setup any flags.
#
-# The binaries used is determined by the toolchain type, which is the family of
+# The binaries used is determined by the toolchain type, which is the family of
# compilers and related tools that are used.
########################################################################
@@ -83,7 +83,7 @@
AC_SUBST(SHARED_LIBRARY)
AC_SUBST(STATIC_LIBRARY)
AC_SUBST(OBJ_SUFFIX)
- AC_SUBST(EXE_SUFFIX)
+ AC_SUBST(EXE_SUFFIX)
])
# Determine which toolchain type to use, and make sure it is valid for this
@@ -117,7 +117,7 @@
# First toolchain type in the list is the default
DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *}
fi
-
+
if test "x$with_toolchain_type" = xlist; then
# List all toolchains
AC_MSG_NOTICE([The following toolchains are valid on this platform:])
@@ -126,7 +126,7 @@
TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
$PRINTF " %-10s %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION"
done
-
+
exit 0
elif test "x$with_toolchain_type" != x; then
# User override; check that it is valid
@@ -168,10 +168,10 @@
AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)])
else
AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.])
- fi
+ fi
])
-# Before we start detecting the toolchain executables, we might need some
+# Before we start detecting the toolchain executables, we might need some
# special setup, e.g. additional paths etc.
AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
[
@@ -184,7 +184,7 @@
ORG_OBJCFLAGS="$OBJCFLAGS"
# On Windows, we need to detect the visual studio installation first.
- # This will change the PATH, but we need to keep that new PATH even
+ # This will change the PATH, but we need to keep that new PATH even
# after toolchain detection is done, since the compiler (on x86) uses
# it for DLL resolution in runtime.
if test "x$OPENJDK_BUILD_OS" = "xwindows" && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
@@ -208,7 +208,7 @@
PATH="/usr/ccs/bin:$PATH"
fi
- # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to
+ # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to
# override all other locations.
if test "x$TOOLCHAIN_PATH" != x; then
PATH=$TOOLCHAIN_PATH:$PATH
@@ -254,7 +254,7 @@
AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
fi
- # Remove usage instructions (if present), and
+ # Remove usage instructions (if present), and
# collapse compiler output into a single line
COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
$SED -e 's/ *@<:@Uu@:>@sage:.*//'`
@@ -282,7 +282,7 @@
# There is no specific version flag, but all output starts with a version string.
# First line typically looks something like:
# Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
- COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
+ COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
# Check that this is likely to be Microsoft CL.EXE.
$ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
if test $? -ne 0; then
@@ -360,7 +360,7 @@
AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1])
if test "x`basename [$]$1`" = "x[$]$1"; then
# A command without a complete path is provided, search $PATH.
-
+
AC_PATH_PROGS(POTENTIAL_$1, [$]$1)
if test "x$POTENTIAL_$1" != x; then
$1=$POTENTIAL_$1
@@ -375,12 +375,12 @@
fi
else
# No user supplied value. Locate compiler ourselves.
-
+
# If we are cross compiling, assume cross compilation tools follows the
# cross compilation standard where they are prefixed with the autoconf
- # standard name for the target. For example the binary
+ # standard name for the target. For example the binary
# i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10.
- # If we are not cross compiling, then the default compiler name will be
+ # If we are not cross compiling, then the default compiler name will be
# used.
$1=
@@ -450,9 +450,9 @@
TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
])
-# Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
-# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
-# archiver (AR). Verify that the compilers are correct according to the
+# Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
+# preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
+# archiver (AR). Verify that the compilers are correct according to the
# toolchain type.
AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE],
[
@@ -529,7 +529,7 @@
])
# Setup additional tools that is considered a part of the toolchain, but not the
-# core part. Many of these are highly platform-specific and do not exist,
+# core part. Many of these are highly platform-specific and do not exist,
# and/or are not needed on all platforms.
AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
[
@@ -551,7 +551,7 @@
AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
BASIC_FIXUP_EXECUTABLE(DUMPBIN)
fi
-
+
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
BASIC_PATH_PROGS(STRIP, strip)
BASIC_FIXUP_EXECUTABLE(STRIP)
@@ -559,7 +559,7 @@
BASIC_FIXUP_EXECUTABLE(NM)
BASIC_PATH_PROGS(GNM, gnm)
BASIC_FIXUP_EXECUTABLE(GNM)
-
+
BASIC_PATH_PROGS(MCS, mcs)
BASIC_FIXUP_EXECUTABLE(MCS)
elif test "x$OPENJDK_TARGET_OS" != xwindows; then
@@ -592,17 +592,17 @@
# Setup the build tools (i.e, the compiler and linker used to build programs
# that should be run on the build platform, not the target platform, as a build
-# helper). Since the non-cross-compile case uses the normal, target compilers
+# helper). Since the non-cross-compile case uses the normal, target compilers
# for this, we can only do this after these have been setup.
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
-[
+[
if test "x$COMPILE_TYPE" = "xcross"; then
# Now we need to find a C/C++ compiler that can build executables for the
# build platform. We can't use the AC_PROG_CC macro, since it can only be
# used once. Also, we need to do this without adding a tools dir to the
# path, otherwise we might pick up cross-compilers which don't use standard
# naming.
-
+
# FIXME: we should list the discovered compilers as an exclude pattern!
# If we do that, we can do this detection before POST_DETECTION, and still
# find the build compilers in the tools dir, if needed.
@@ -690,15 +690,39 @@
# If this is a --hash-style=gnu system, use --hash-style=both, why?
HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
# This is later checked when setting flags.
+
+ # "-Og" suppported for GCC 4.8 and later
+ CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
+ FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_OPTIMIZE_DEBUG_FLAG],
+ [HAS_CFLAG_OPTIMIZE_DEBUG=true],
+ [HAS_CFLAG_OPTIMIZE_DEBUG=false])
+
+ # "-fsanitize=undefined" supported for GCC 4.9 and later
+ CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG="-fsanitize=undefined -fsanitize-recover"
+ FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG],
+ [HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=true],
+ [HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=false])
+
+ # "-z relro" supported in GNU binutils 2.17 and later
+ LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro"
+ FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_RELRO_FLAG],
+ [HAS_LINKER_RELRO=true],
+ [HAS_LINKER_RELRO=false])
+
+ # "-z now" supported in GNU binutils 2.11 and later
+ LINKER_NOW_FLAG="-Xlinker -z -Xlinker now"
+ FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_NOW_FLAG],
+ [HAS_LINKER_NOW=true],
+ [HAS_LINKER_NOW=false])
fi
- # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
+ # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
# in executable.'
USING_BROKEN_SUSE_LD=no
if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
- echo "SUNWprivate_1.1 { local: *; };" > version-script.map
- echo "int main() { }" > main.c
+ $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map
+ $ECHO "int main() { }" > main.c
if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
AC_MSG_RESULT(no)
USING_BROKEN_SUSE_LD=no