--- 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.