8188241: Improve numerical code in StampedLock example code
Reviewed-by: martin, psandoz, darcy
#
# Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
ifndef _TEST_FILES_COMPILATION_GMK
_TEST_FILES_COMPILATION_GMK := 1
ifeq (,$(_MAKEBASE_GMK))
$(error You must include MakeBase.gmk prior to including TestFilesCompilation.gmk)
endif
include NativeCompilation.gmk
# Setup make rules for creating a set of native test files (libraries or
# executables). This will locate native files matching a certain pattern,
# and compile these into libraries or executables.
#
# Parameter 1 is the name of the rule. This name is used as variable prefix,
# and the targets generated are listed in a variable by that name.
#
# Remaining parameters are named arguments. These include:
# TYPE Must be either PROGRAM or LIBRARY.
# SOURCE_DIRS A list of source directories to search
# OUTPUT_DIR Where to put the resulting files
SetupTestFilesCompilation = $(NamedParamsMacroTemplate)
define SetupTestFilesCompilationBody
# Check for duplicate base file names. That would have failed later anyhow, but
# this gives a better error message.
$1_DUPLICATED_NAMES := $$(call dups, $$(notdir $$($1_FILE_LIST)))
ifneq ($$($1_DUPLICATED_NAMES), )
$$(error There are duplicate test file names for $1: $$($1_DUPLICATED_NAMES))
endif
# The list to depend on starts out empty
$1 :=
ifeq ($$($1_TYPE), LIBRARY)
$1_PREFIX = lib
$1_OUTPUT_SUBDIR := lib
$1_CFLAGS := $(CFLAGS_TESTLIB) $(CFLAGS_WARNINGS_ARE_ERRORS)
$1_LDFLAGS := $(LDFLAGS_TESTLIB) $(call SET_SHARED_LIBRARY_ORIGIN)
else ifeq ($$($1_TYPE), PROGRAM)
$1_PREFIX = exe
$1_OUTPUT_SUBDIR := bin
$1_CFLAGS := $(CFLAGS_TESTEXE) $(CFLAGS_WARNINGS_ARE_ERRORS)
$1_LDFLAGS := $(LDFLAGS_TESTEXE)
else
$$(error Unknown type: $$($1_TYPE))
endif
# Locate all files with the matching prefix
$1_FILE_LIST := \
$$(shell $$(FIND) $$($1_SOURCE_DIRS) -type f -name "$$($1_PREFIX)*.c")
# Setup a compilation for each and every one of them
$$(foreach file, $$($1_FILE_LIST),\
$$(eval name := $$(strip $$(patsubst $$($1_PREFIX)%, %, $$(basename $$(notdir $$(file)))))) \
$$(eval $$(call SetupNativeCompilation, BUILD_TEST_$$(name), \
$$($1_TYPE) := $$(name), \
SRC := $$(patsubst %/,%,$$(dir $$(file))), \
INCLUDE_FILES := $$(notdir $$(file)), \
OBJECT_DIR := $$($1_OUTPUT_DIR)/support/$$($1_PREFIX)$$(name), \
OUTPUT_DIR := $$($1_OUTPUT_DIR)/$$($1_OUTPUT_SUBDIR), \
LANG := C, \
CFLAGS := $$($1_CFLAGS) $$($1_CFLAGS_$$($1_PREFIX)$$(name)), \
LDFLAGS := $$($1_LDFLAGS) $$($1_LDFLAGS_$$($1_PREFIX)$$(name)), \
LIBS := $$($1_LIBS_$$($1_PREFIX)$$(name)), \
OPTIMIZATION := LOW, \
COPY_DEBUG_SYMBOLS := false, \
STRIP_SYMBOLS := false, \
)) \
$$(eval $1 += $$(BUILD_TEST_$$(name)) ) \
)
endef
endif # _TEST_FILES_COMPILATION_GMK