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common/autoconf/flags.m4
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*** 1,7 ****
#
! # Copyright (c) 2011, 2014, 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
--- 1,7 ----
#
! # Copyright (c) 2011, 2015, 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
*** 476,485 ****
--- 476,487 ----
if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
fi
+ CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
+ CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall"
CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"
CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"
fi
*** 527,537 ****
# 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$TOOLCHAIN_TYPE" = xgcc; then
! COMMON_CCXXFLAGS_JDK="$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 $OPENJDK_TARGET_CPU_ARCH in
arm )
# on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
--- 529,539 ----
# 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$TOOLCHAIN_TYPE" = xgcc; then
! COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
-pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
case $OPENJDK_TARGET_CPU_ARCH in
arm )
# on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
*** 547,557 ****
esac
elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
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
--- 549,558 ----
*** 881,899 ****
--- 882,914 ----
[COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
case "${TOOLCHAIN_TYPE}" in
microsoft)
+ DISABLE_WARNING_PREFIX="-wd"
CFLAGS_WARNINGS_ARE_ERRORS="-WX"
;;
solstudio)
+ DISABLE_WARNING_PREFIX="-erroff="
CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
;;
gcc)
+ # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
+ AC_MSG_CHECKING([if gcc can disable warnings])
+ GCC_CAN_DISABLE_WARNINGS=`$ECHO $CC_VERSION_NUMBER | $GREP -e '^4\.[[4-9]]' -e '^[[5-9]]'`
+ if test "x$GCC_CAN_DISABLE_WARNINGS" != "x"; then
+ DISABLE_WARNING_PREFIX="-Wno-"
+ AC_MSG_RESULT([yes])
+ else
+ DISABLE_WARNING_PREFIX=
+ AC_MSG_RESULT([no])
+ fi
CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
;;
clang)
+ DISABLE_WARNING_PREFIX="-Wno-"
CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
;;
esac
+ AC_SUBST(DISABLE_WARNING_PREFIX)
AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
])
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