556 lines
20 KiB
Plaintext
556 lines
20 KiB
Plaintext
#
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# Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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m4_include([flags-cflags.m4])
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m4_include([flags-ldflags.m4])
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m4_include([flags-other.m4])
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################################################################################
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#
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# Setup ABI profile (for arm)
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#
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AC_DEFUN([FLAGS_SETUP_ABI_PROFILE],
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[
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AC_ARG_WITH(abi-profile, [AS_HELP_STRING([--with-abi-profile],
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[specify ABI profile for ARM builds (arm-vfp-sflt,arm-vfp-hflt,arm-sflt, armv5-vfp-sflt,armv6-vfp-hflt,aarch64) @<:@toolchain dependent@:>@ ])])
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if test "x$with_abi_profile" != x; then
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if test "x$OPENJDK_TARGET_CPU" != xarm && \
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test "x$OPENJDK_TARGET_CPU" != xaarch64; then
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AC_MSG_ERROR([--with-abi-profile only available on arm/aarch64])
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fi
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OPENJDK_TARGET_ABI_PROFILE=$with_abi_profile
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AC_MSG_CHECKING([for ABI profle])
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AC_MSG_RESULT([$OPENJDK_TARGET_ABI_PROFILE])
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# --- Arm-sflt CFLAGS and ASFLAGS ---
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# Armv5te is required for assembler, because pld insn used in arm32 hotspot is only in v5E and above.
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# However, there is also a GCC bug which generates unaligned strd/ldrd instructions on armv5te:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82445, and it was fixed in gcc 7.1.
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# The resulting compromise is to enable v5TE for assembler and let GCC generate code for v5T.
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if test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-sflt; then
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ARM_FLOAT_TYPE=vfp-sflt
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ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb'
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ARM_ARCH_TYPE_ASFLAGS='-march=armv7-a -mthumb'
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elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-hflt; then
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ARM_FLOAT_TYPE=vfp-hflt
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ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb'
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ARM_ARCH_TYPE_ASFLAGS='-march=armv7-a -mthumb'
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elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-sflt; then
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ARM_FLOAT_TYPE=sflt
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ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm'
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ARM_ARCH_TYPE_ASFLAGS='-march=armv5te'
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elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv5-vfp-sflt; then
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ARM_FLOAT_TYPE=vfp-sflt
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ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm'
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ARM_ARCH_TYPE_ASFLAGS='-march=armv5te'
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elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv6-vfp-hflt; then
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ARM_FLOAT_TYPE=vfp-hflt
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ARM_ARCH_TYPE_FLAGS='-march=armv6 -marm'
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ARM_ARCH_TYPE_ASFLAGS='-march=armv6'
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elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xaarch64; then
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# No special flags, just need to trigger setting JDK_ARCH_ABI_PROP_NAME
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ARM_FLOAT_TYPE=
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ARM_ARCH_TYPE_FLAGS=
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ARM_ARCH_TYPE_ASFLAGS=
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else
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AC_MSG_ERROR([Invalid ABI profile: "$OPENJDK_TARGET_ABI_PROFILE"])
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fi
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if test "x$ARM_FLOAT_TYPE" = xvfp-sflt; then
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ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=softfp -mfpu=vfp -DFLOAT_ARCH=-vfp-sflt'
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ARM_FLOAT_TYPE_ASFLAGS="-mfloat-abi=softfp -mfpu=vfp"
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elif test "x$ARM_FLOAT_TYPE" = xvfp-hflt; then
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ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=hard -mfpu=vfp -DFLOAT_ARCH=-vfp-hflt'
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ARM_FLOAT_TYPE_ASFLAGS="-mfloat-abi=hard -mfpu=vfp"
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elif test "x$ARM_FLOAT_TYPE" = xsflt; then
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ARM_FLOAT_TYPE_FLAGS='-msoft-float -mfpu=vfp'
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ARM_FLOAT_TYPE_ASFLAGS="-mfloat-abi=soft -mfpu=vfp"
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fi
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AC_MSG_CHECKING([for $ARM_FLOAT_TYPE floating point flags])
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AC_MSG_RESULT([$ARM_FLOAT_TYPE_FLAGS])
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AC_MSG_CHECKING([for $ARM_FLOAT_TYPE floating point flags for assembler])
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AC_MSG_RESULT([$ARM_FLOAT_TYPE_ASFLAGS])
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AC_MSG_CHECKING([for arch type flags])
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AC_MSG_RESULT([$ARM_ARCH_TYPE_FLAGS])
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AC_MSG_CHECKING([for arch type flags for assembler])
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AC_MSG_RESULT([$ARM_ARCH_TYPE_ASFLAGS])
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# Now set JDK_ARCH_ABI_PROP_NAME. This is equivalent to the last part of the
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# autoconf target triplet.
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[ JDK_ARCH_ABI_PROP_NAME=`$ECHO $OPENJDK_TARGET_AUTOCONF_NAME | $SED -e 's/.*-\([^-]*\)$/\1/'` ]
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# Sanity check that it is a known ABI.
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if test "x$JDK_ARCH_ABI_PROP_NAME" != xgnu && \
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test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabi && \
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test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabihf; then
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AC_MSG_WARN([Unknown autoconf target triplet ABI: "$JDK_ARCH_ABI_PROP_NAME"])
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fi
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AC_MSG_CHECKING([for ABI property name])
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AC_MSG_RESULT([$JDK_ARCH_ABI_PROP_NAME])
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AC_SUBST(JDK_ARCH_ABI_PROP_NAME)
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fi
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# When building with an abi profile, the name of that profile is appended on the
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# bundle platform, which is used in bundle names.
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if test "x$OPENJDK_TARGET_ABI_PROFILE" != x; then
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OPENJDK_TARGET_BUNDLE_PLATFORM="$OPENJDK_TARGET_OS_BUNDLE-$OPENJDK_TARGET_ABI_PROFILE"
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fi
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])
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AC_DEFUN([FLAGS_SETUP_MACOSX_VERSION],
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[
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# Additional macosx handling
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if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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# The expected format for <version> is either nn.n.n or nn.nn.nn. See
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# /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/AvailabilityVersions.h
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# MACOSX_VERSION_MIN specifies the lowest version of macOS that the built
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# binaries should be compatible with, even if compiled on a newer version
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# of the OS. It currently has a hard coded value. Setting this also limits
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# exposure to API changes in header files. Bumping this is likely to
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# require code changes to build.
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MACOSX_VERSION_MIN=11.00.00
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MACOSX_VERSION_MIN_NODOTS=${MACOSX_VERSION_MIN//\./}
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AC_SUBST(MACOSX_VERSION_MIN)
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# Setting --with-macosx-version-max=<version> makes it an error to build or
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# link to macosx APIs that are newer than the given OS version.
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AC_ARG_WITH([macosx-version-max], [AS_HELP_STRING([--with-macosx-version-max],
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[error on use of newer functionality. @<:@macosx@:>@])],
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[
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if echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]]\.[[0-9]]\$"; then
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MACOSX_VERSION_MAX=$with_macosx_version_max
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elif echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]][[0-9]]\.[[0-9]][[0-9]]\$"; then
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MACOSX_VERSION_MAX=$with_macosx_version_max
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elif test "x$with_macosx_version_max" = "xno"; then
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# Use build system default
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MACOSX_VERSION_MAX=
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else
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AC_MSG_ERROR([osx version format must be nn.n.n or nn.nn.nn])
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fi
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],
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[MACOSX_VERSION_MAX=]
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)
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MACOSX_VERSION_MAX_NODOTS=${MACOSX_VERSION_MAX//\./}
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AC_SUBST(MACOSX_VERSION_MAX)
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fi
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])
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# Reset the global CFLAGS/LDFLAGS variables and initialize them with the
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# corresponding configure arguments instead
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AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS],
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[
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if test "x$CFLAGS" != "x"; then
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AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
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fi
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if test "x$CXXFLAGS" != "x"; then
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AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
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fi
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if test "x$LDFLAGS" != "x"; then
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AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
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fi
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if test "x$ASFLAGS" != "x"; then
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AC_MSG_WARN([Ignoring ASFLAGS($ASFLAGS) found in environment. Use --with-extra-asflags])
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fi
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AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
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[extra flags to be used when compiling jdk c-files])])
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AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
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[extra flags to be used when compiling jdk c++-files])])
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AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
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[extra flags to be used when linking jdk])])
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AC_ARG_WITH(extra-asflags, [AS_HELP_STRING([--with-extra-asflags],
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[extra flags to be passed to the assembler])])
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USER_CFLAGS="$with_extra_cflags"
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USER_CXXFLAGS="$with_extra_cxxflags"
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USER_LDFLAGS="$with_extra_ldflags"
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USER_ASFLAGS="$with_extra_asflags"
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])
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# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so
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# that configure can use them while detecting compilers.
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# TOOLCHAIN_TYPE is available here.
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# Param 1 - Optional prefix to all variables. (e.g BUILD_)
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AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS],
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[
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if test "x[$]$1SYSROOT" != "x"; then
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if test "x$TOOLCHAIN_TYPE" = xgcc; then
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$1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT"
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$1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT"
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elif test "x$TOOLCHAIN_TYPE" = xclang; then
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if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
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# -isysroot has no effect on linux
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# https://bugs.llvm.org/show_bug.cgi?id=11503
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$1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT"
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$1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT"
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if test -d "$DEVKIT_TOOLCHAIN_PATH"; then
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# In devkits, gcc is not located in the sysroot.
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# use --gcc-toolchain to let clang find the gcc installation.
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$1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS --gcc-toolchain=$DEVKIT_TOOLCHAIN_PATH/.."
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$1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS --gcc-toolchain=$DEVKIT_TOOLCHAIN_PATH/.."
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fi
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else
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$1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT"
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$1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT"
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fi
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fi
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fi
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if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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# We also need -iframework<path>/System/Library/Frameworks
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$1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
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$1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
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if test -d "[$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" ; then
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# These always need to be set on macOS 10.X, or we can't find the frameworks embedded in JavaVM.framework
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# set this here so it doesn't have to be peppered throughout the forest
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$1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
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$1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
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fi
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fi
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# For the microsoft toolchain, we need to get the SYSROOT flags from the
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# Visual Studio environment. Currently we cannot handle this as a separate
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# build toolchain.
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if test "x$1" = x && test "x$OPENJDK_BUILD_OS" = "xwindows" \
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&& test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
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TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
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fi
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AC_SUBST($1SYSROOT_CFLAGS)
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AC_SUBST($1SYSROOT_LDFLAGS)
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])
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AC_DEFUN_ONCE([FLAGS_PRE_TOOLCHAIN],
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[
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# We should always include user supplied flags
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FLAGS_SETUP_USER_SUPPLIED_FLAGS
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# The sysroot flags are needed for configure to be able to run the compilers
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FLAGS_SETUP_SYSROOT_FLAGS
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# For xlc, the word size flag is required for correct behavior.
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# For clang/gcc, the flag is only strictly required for reduced builds, but
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# set it always where possible (x86 and ppc).
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if test "x$TOOLCHAIN_TYPE" = xxlc; then
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MACHINE_FLAG="-q${OPENJDK_TARGET_CPU_BITS}"
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elif test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
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if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86 &&
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test "x$OPENJDK_TARGET_CPU" != xx32 ||
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test "x$OPENJDK_TARGET_CPU_ARCH" = xppc; then
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MACHINE_FLAG="-m${OPENJDK_TARGET_CPU_BITS}"
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fi
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fi
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if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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if test "x$OPENJDK_TARGET_CPU" = xaarch64; then
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MACHINE_FLAG="$MACHINE_FLAG -arch arm64"
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elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
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MACHINE_FLAG="$MACHINE_FLAG -arch x86_64"
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fi
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fi
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# FIXME: global flags are not used yet...
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# The "global" flags will *always* be set. Without them, it is not possible to
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# get a working compilation.
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GLOBAL_CFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CFLAGS"
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GLOBAL_CXXFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CXXFLAGS"
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GLOBAL_LDFLAGS="$MACHINE_FLAG $SYSROOT_LDFLAGS $USER_LDFLAGS"
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# FIXME: Don't really know how to do with this, but this was the old behavior
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GLOBAL_CPPFLAGS="$SYSROOT_CFLAGS"
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# FIXME: For compatibility, export this as EXTRA_CFLAGS for now.
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EXTRA_CFLAGS="$MACHINE_FLAG $USER_CFLAGS"
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EXTRA_CXXFLAGS="$MACHINE_FLAG $USER_CXXFLAGS"
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EXTRA_LDFLAGS="$MACHINE_FLAG $USER_LDFLAGS"
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EXTRA_ASFLAGS="$USER_ASFLAGS"
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AC_SUBST(MACHINE_FLAG)
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AC_SUBST(EXTRA_CFLAGS)
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AC_SUBST(EXTRA_CXXFLAGS)
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AC_SUBST(EXTRA_LDFLAGS)
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AC_SUBST(EXTRA_ASFLAGS)
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# For autoconf testing to work, the global flags must also be stored in the
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# "unnamed" CFLAGS etc.
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CFLAGS="$GLOBAL_CFLAGS"
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CXXFLAGS="$GLOBAL_CXXFLAGS"
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LDFLAGS="$GLOBAL_LDFLAGS"
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CPPFLAGS="$GLOBAL_CPPFLAGS"
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if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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# When autoconf sends both compiler and linker flags to cl.exe at the same
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# time, linker flags must be last at the command line. Achieve this by
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# moving them to LIBS.
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LIBS="$LIBS -link $LDFLAGS"
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LDFLAGS=""
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fi
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])
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AC_DEFUN([FLAGS_SETUP_TOOLCHAIN_CONTROL],
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[
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# COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output
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# COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler
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# COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder
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# commands produced by the link step (currently AIX only)
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if test "x$TOOLCHAIN_TYPE" = xxlc; then
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COMPILER_TARGET_BITS_FLAG="-q"
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COMPILER_COMMAND_FILE_FLAG="-f"
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COMPILER_BINDCMD_FILE_FLAG="-bloadmap:"
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else
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COMPILER_TARGET_BITS_FLAG="-m"
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COMPILER_COMMAND_FILE_FLAG="@"
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COMPILER_BINDCMD_FILE_FLAG=""
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# Check if @file is supported by gcc
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if test "x$TOOLCHAIN_TYPE" = xgcc; then
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AC_MSG_CHECKING([if @file is supported by gcc])
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# Extra empty "" to prevent ECHO from interpreting '--version' as argument
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$ECHO "" "--version" > command.file
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# Redirect stderr and stdout to config.log (AS_MESSAGE_LOG_FD) via merge
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if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
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AC_MSG_RESULT(yes)
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COMPILER_COMMAND_FILE_FLAG="@"
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else
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AC_MSG_RESULT(no)
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COMPILER_COMMAND_FILE_FLAG=
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fi
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$RM command.file
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fi
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fi
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AC_SUBST(COMPILER_TARGET_BITS_FLAG)
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AC_SUBST(COMPILER_COMMAND_FILE_FLAG)
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AC_SUBST(COMPILER_BINDCMD_FILE_FLAG)
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# Check that the compiler supports -mX (or -qX on AIX) flags
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# Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
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FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
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IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
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IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
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AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
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if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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CC_OUT_OPTION=-Fo
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LD_OUT_OPTION=-out:
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AR_OUT_OPTION=-out:
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else
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# The option used to specify the target .o,.a or .so file.
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# When compiling, how to specify the to be created object file.
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CC_OUT_OPTION='-o$(SPACE)'
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# When linking, how to specify the output
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LD_OUT_OPTION='-o$(SPACE)'
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# When archiving, how to specify the destination static archive.
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if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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AR_OUT_OPTION='-r -cs$(SPACE)'
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else
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AR_OUT_OPTION='-rcs$(SPACE)'
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fi
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fi
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AC_SUBST(CC_OUT_OPTION)
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AC_SUBST(LD_OUT_OPTION)
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AC_SUBST(AR_OUT_OPTION)
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# Generate make dependency files
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if test "x$TOOLCHAIN_TYPE" = xgcc; then
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|
GENDEPS_FLAGS="-MMD -MF"
|
|
elif test "x$TOOLCHAIN_TYPE" = xclang; then
|
|
GENDEPS_FLAGS="-MMD -MF"
|
|
elif test "x$TOOLCHAIN_TYPE" = xxlc; then
|
|
GENDEPS_FLAGS="-qmakedep=gcc -MF"
|
|
fi
|
|
AC_SUBST(GENDEPS_FLAGS)
|
|
])
|
|
|
|
AC_DEFUN_ONCE([FLAGS_POST_TOOLCHAIN],
|
|
[
|
|
FLAGS_SETUP_TOOLCHAIN_CONTROL
|
|
|
|
if test "x$BUILD_SYSROOT" != x; then
|
|
FLAGS_SETUP_SYSROOT_FLAGS([BUILD_])
|
|
else
|
|
if test "x$COMPILE_TYPE" != "xcross"; then
|
|
BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
|
|
BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS"
|
|
fi
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN([FLAGS_SETUP_FLAGS],
|
|
[
|
|
FLAGS_SETUP_MACOSX_VERSION
|
|
FLAGS_SETUP_ABI_PROFILE
|
|
|
|
FLAGS_SETUP_SHARED_LIBS
|
|
FLAGS_SETUP_DEBUG_SYMBOLS
|
|
FLAGS_SETUP_WARNINGS
|
|
FLAGS_SETUP_QUALITY_CHECKS
|
|
FLAGS_SETUP_OPTIMIZATION
|
|
|
|
FLAGS_SETUP_CFLAGS
|
|
FLAGS_SETUP_LDFLAGS
|
|
|
|
FLAGS_SETUP_ARFLAGS
|
|
FLAGS_SETUP_STRIPFLAGS
|
|
FLAGS_SETUP_RCFLAGS
|
|
FLAGS_SETUP_NMFLAGS
|
|
|
|
FLAGS_SETUP_ASFLAGS
|
|
FLAGS_SETUP_ASFLAGS_CPU_DEP([TARGET])
|
|
FLAGS_SETUP_ASFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
|
|
])
|
|
|
|
# FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
|
|
# IF_FALSE: [RUN-IF-FALSE])
|
|
# ------------------------------------------------------------
|
|
# Check that the C compiler supports an argument
|
|
UTIL_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS],
|
|
[*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@],
|
|
[
|
|
AC_MSG_CHECKING([if ARG_PREFIX[CC] supports "ARG_ARGUMENT"])
|
|
supports=yes
|
|
|
|
saved_cflags="$CFLAGS"
|
|
saved_cc="$CC"
|
|
CFLAGS="$CFLAGS $CFLAGS_WARNINGS_ARE_ERRORS ARG_ARGUMENT"
|
|
CC="$ARG_PREFIX[CC]"
|
|
AC_LANG_PUSH([C])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
|
|
[supports=no])
|
|
AC_LANG_POP([C])
|
|
CC="$saved_cc"
|
|
CFLAGS="$saved_cflags"
|
|
|
|
AC_MSG_RESULT([$supports])
|
|
if test "x$supports" = "xyes" ; then
|
|
:
|
|
ARG_IF_TRUE
|
|
else
|
|
:
|
|
ARG_IF_FALSE
|
|
fi
|
|
])
|
|
|
|
# FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
|
|
# IF_FALSE: [RUN-IF-FALSE])
|
|
# ------------------------------------------------------------
|
|
# Check that the C++ compiler supports an argument
|
|
UTIL_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS],
|
|
[*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@],
|
|
[
|
|
AC_MSG_CHECKING([if ARG_PREFIX[CXX] supports "ARG_ARGUMENT"])
|
|
supports=yes
|
|
|
|
saved_cxxflags="$CXXFLAGS"
|
|
saved_cxx="$CXX"
|
|
CXXFLAGS="$CXXFLAG $CFLAGS_WARNINGS_ARE_ERRORS ARG_ARGUMENT"
|
|
CXX="$ARG_PREFIX[CXX]"
|
|
AC_LANG_PUSH([C++])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
|
|
[supports=no])
|
|
AC_LANG_POP([C++])
|
|
CXX="$saved_cxx"
|
|
CXXFLAGS="$saved_cxxflags"
|
|
|
|
AC_MSG_RESULT([$supports])
|
|
if test "x$supports" = "xyes" ; then
|
|
:
|
|
ARG_IF_TRUE
|
|
else
|
|
:
|
|
ARG_IF_FALSE
|
|
fi
|
|
])
|
|
|
|
# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
|
|
# IF_FALSE: [RUN-IF-FALSE])
|
|
# ------------------------------------------------------------
|
|
# Check that the C and C++ compilers support an argument
|
|
UTIL_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS],
|
|
[*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@],
|
|
[
|
|
FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: ARG_ARGUMENT,
|
|
IF_TRUE: [C_COMP_SUPPORTS="yes"],
|
|
IF_FALSE: [C_COMP_SUPPORTS="no"],
|
|
PREFIX: ARG_PREFIX)
|
|
FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: ARG_ARGUMENT,
|
|
IF_TRUE: [CXX_COMP_SUPPORTS="yes"],
|
|
IF_FALSE: [CXX_COMP_SUPPORTS="no"],
|
|
PREFIX: ARG_PREFIX)
|
|
|
|
AC_MSG_CHECKING([if both ARG_PREFIX[CC] and ARG_PREFIX[CXX] support "ARG_ARGUMENT"])
|
|
supports=no
|
|
if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then
|
|
supports=yes;
|
|
fi
|
|
|
|
AC_MSG_RESULT([$supports])
|
|
if test "x$supports" = "xyes" ; then
|
|
:
|
|
ARG_IF_TRUE
|
|
else
|
|
:
|
|
ARG_IF_FALSE
|
|
fi
|
|
])
|
|
|
|
# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
|
|
# IF_FALSE: [RUN-IF-FALSE])
|
|
# ------------------------------------------------------------
|
|
# Check that the linker support an argument
|
|
UTIL_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS],
|
|
[*ARGUMENT IF_TRUE IF_FALSE], [$@],
|
|
[
|
|
AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"])
|
|
supports=yes
|
|
|
|
saved_ldflags="$LDFLAGS"
|
|
LDFLAGS="$LDFLAGS ARG_ARGUMENT"
|
|
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
|
|
:
|
|
ARG_IF_TRUE
|
|
else
|
|
:
|
|
ARG_IF_FALSE
|
|
fi
|
|
])
|