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old-configure.in
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dnl -*- Mode: Autoconf; tab-width: 4; indent-tabs-mode: nil; -*-
dnl vi: set tabstop=4 shiftwidth=4 expandtab syntax=m4:
dnl This Source Code Form is subject to the terms of the Mozilla Public
dnl License, v. 2.0. If a copy of the MPL was not distributed with this
dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
dnl Process this file with autoconf to produce a configure script.
dnl ========================================================
AC_PREREQ(2.13)
AC_INIT(config/config.mk)
AC_CONFIG_AUX_DIR(${srcdir}/build/autoconf)
AC_CANONICAL_SYSTEM
dnl ========================================================
dnl =
dnl = Don't change the following lines. Doing so breaks:
dnl =
dnl = CFLAGS="-foo" ./configure
dnl =
dnl ========================================================
CFLAGS="${CFLAGS=}"
CPPFLAGS="${CPPFLAGS=}"
CXXFLAGS="${CXXFLAGS=}"
LDFLAGS="${LDFLAGS=}"
HOST_CFLAGS="${HOST_CFLAGS=}"
HOST_CXXFLAGS="${HOST_CXXFLAGS=}"
HOST_LDFLAGS="${HOST_LDFLAGS=}"
dnl Set the minimum version of toolkit libs used by mozilla
dnl ========================================================
W32API_VERSION=3.14
dnl Set various checks
dnl ========================================================
MISSING_X=
dnl Initialize the Pthread test variables early so they can be
dnl overridden by each platform.
dnl ========================================================
MOZ_USE_PTHREADS=
_PTHREAD_LDFLAGS=""
LDFLAGS="$LDFLAGS $LINKER_LDFLAGS $PACK_REL_RELOC_FLAGS"
HOST_LDFLAGS="$HOST_LDFLAGS $HOST_LINKER_LDFLAGS"
if test "$COMPILE_ENVIRONMENT"; then
MOZ_ANDROID_NDK
fi # COMPILE_ENVIRONMENT
dnl ========================================================
dnl Checks for compilers.
dnl ========================================================
if test "$COMPILE_ENVIRONMENT"; then
# Run some logic to figure out exe extensions (mostly for mingw's sake)
AC_EXEEXT
if test "$target" != "$host"; then
MOZ_CROSS_COMPILER
else
AC_PROG_CC
case "$target" in
*-mingw*)
# Work around the conftest.exe access problem on Windows
sleep 2
esac
AC_PROG_CXX
fi
MOZ_TOOL_VARIABLES
dnl ========================================================
dnl Special win32 checks
dnl ========================================================
WINVER=0A00
case "$target" in
*-mingw*)
if test "$GCC" != "yes"; then
# Check to see if we are really running in a msvc environemnt
_WIN32_MSVC=1
# Make sure compilers are valid
CXXFLAGS="$CXXFLAGS -TP"
AC_LANG_SAVE
AC_LANG_C
AC_TRY_COMPILE([#include <stdio.h>],
[ printf("Hello World\n"); ],,
AC_MSG_ERROR([\$(CC) test failed. You must have MS VC++ in your path to build.]) )
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <new.h>],
[ unsigned *test = new unsigned(42); ],,
AC_MSG_ERROR([\$(CXX) test failed. You must have MS VC++ in your path to build.]) )
AC_LANG_RESTORE
AC_DEFINE(_CRT_SECURE_NO_WARNINGS)
AC_DEFINE(_CRT_NONSTDC_NO_WARNINGS)
MSVC_C_RUNTIME_DLL=vcruntime140.dll
if test -n "$IS_VS2019_OR_MORE" -a "$CPU_ARCH" != "x86"; then
MSVC_C_RUNTIME_1_DLL=vcruntime140_1.dll
fi
MSVC_CXX_RUNTIME_DLL=msvcp140.dll
# -Zc:sizedDealloc- disables C++14 global sized deallocation (see bug 1160146)
CXXFLAGS="$CXXFLAGS -Zc:sizedDealloc-"
AC_SUBST(MSVC_C_RUNTIME_DLL)
AC_SUBST(MSVC_C_RUNTIME_1_DLL)
AC_SUBST(MSVC_CXX_RUNTIME_DLL)
AC_DEFINE(HAVE_SEH_EXCEPTIONS)
if test -n "$WIN32_REDIST_DIR"; then
if test ! -d "$WIN32_REDIST_DIR"; then
AC_MSG_ERROR([Invalid Win32 Redist directory: ${WIN32_REDIST_DIR}])
fi
WIN32_REDIST_DIR=`cd "$WIN32_REDIST_DIR" && (pwd -W 2>/dev/null || pwd)`
fi
else
# Check w32api version
_W32API_MAJOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $1 }'`
_W32API_MINOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $2 }'`
AC_MSG_CHECKING([for w32api version >= $W32API_VERSION])
AC_TRY_COMPILE([#include <w32api.h>],
#if (__W32API_MAJOR_VERSION < $_W32API_MAJOR_VERSION) || \
(__W32API_MAJOR_VERSION == $_W32API_MAJOR_VERSION && \
__W32API_MINOR_VERSION < $_W32API_MINOR_VERSION)
#error "test failed."
#endif
, [ res=yes ], [ res=no ])
AC_MSG_RESULT([$res])
if test "$res" != "yes"; then
AC_MSG_ERROR([w32api version $W32API_VERSION or higher required.])
fi
# strsafe.h on mingw uses macros for function deprecation that pollutes namespace
# causing problems with local implementations with the same name.
AC_DEFINE(STRSAFE_NO_DEPRECATE)
fi # !GNU_CC
AC_DEFINE(_USE_MATH_DEFINES) # Otherwise Windows' math.h doesn't #define M_PI.
CFLAGS="$CFLAGS -D_HAS_EXCEPTIONS=0"
CXXFLAGS="$CXXFLAGS -D_HAS_EXCEPTIONS=0"
AC_DEFINE_UNQUOTED(WINVER,0x$WINVER)
AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x$WINVER)
AC_DEFINE_UNQUOTED(_WIN32_IE,0x0A00)
;;
esac
if test -n "$_WIN32_MSVC"; then
SKIP_PATH_CHECKS=1
SKIP_COMPILER_CHECKS=1
SKIP_LIBRARY_CHECKS=1
# Since we're skipping compiler and library checks, hard-code
# some facts here.
AC_DEFINE(HAVE_IO_H)
AC_DEFINE(HAVE_ISATTY)
fi
fi # COMPILE_ENVIRONMENT
AC_SUBST(GNU_CC)
AC_SUBST(GNU_CXX)
dnl ========================================================
dnl set the defaults first
dnl ========================================================
MOZ_FIX_LINK_PATHS="-Wl,-rpath-link,${DIST}/bin -Wl,-rpath-link,${prefix}/lib"
dnl Configure platform-specific CPU architecture compiler options.
dnl ==============================================================
if test "$COMPILE_ENVIRONMENT"; then
MOZ_ARCH_OPTS
fi # COMPILE_ENVIRONMENT
if test -n "$COMPILE_ENVIRONMENT"; then
MOZ_CONFIG_SANITIZE
fi
dnl ========================================================
dnl GNU specific defaults
dnl ========================================================
if test "$GNU_CC"; then
if test "$OS_ARCH" != "WINNT" -o -z "$CLANG_CC"; then
DSO_PIC_CFLAGS='-fPIC'
ASFLAGS="$ASFLAGS -fPIC"
fi
AC_MSG_CHECKING([for --noexecstack option to as])
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Wa,--noexecstack"
AC_TRY_COMPILE(,,AC_MSG_RESULT([yes])
[ASFLAGS="$ASFLAGS -Wa,--noexecstack"],
AC_MSG_RESULT([no]))
CFLAGS=$_SAVE_CFLAGS
AC_MSG_CHECKING([for -z noexecstack option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for -z text option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-z,text"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for -z relro option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-z,relro"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for -z nocopyreloc option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-z,nocopyreloc"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for -Bsymbolic-functions option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-Bsymbolic-functions"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
# While sha1 is deterministic, it is slower.
if test -z "$DEVELOPER_OPTIONS"; then
build_id=sha1
else
build_id=uuid
fi
AC_MSG_CHECKING([for --build-id=$build_id option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--build-id=$build_id"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for --ignore-unresolved-symbol option to ld])
HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--ignore-unresolved-symbol,environ"
AC_TRY_LINK(,,AC_MSG_RESULT([yes])
[HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=1],
AC_MSG_RESULT([no]))
LDFLAGS=$_SAVE_LDFLAGS
DSO_LDOPTS='-shared'
if test "$GCC_USE_GNU_LD"; then
# Some tools like ASan use a runtime library that is only
# linked against executables, so we must allow undefined
# symbols for shared objects in some cases.
if test -z "$MOZ_ASAN$MOZ_MSAN$MOZ_UBSAN$MOZ_TSAN$FUZZING_INTERFACES"; then
# Don't allow undefined symbols in libraries
DSO_LDOPTS="$DSO_LDOPTS -Wl,-z,defs"
# BSDs need `environ' exposed for posix_spawn (bug 753046)
case "$OS_TARGET" in
DragonFly|FreeBSD|NetBSD|OpenBSD)
if test -n "$HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED"; then
DSO_LDOPTS="$DSO_LDOPTS -Wl,--ignore-unresolved-symbol,environ"
else
DSO_LDOPTS="$DSO_LDOPTS -Wl,--warn-unresolved-symbols"
fi
;;
esac
fi
fi
_DEFINES_CFLAGS="-include $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
ASFLAGS="$ASFLAGS $_DEFINES_CFLAGS"
fi
if test "$GNU_CXX"; then
CXXFLAGS="$CXXFLAGS -fno-exceptions"
_DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $_objdir/mozilla-config.h"
fi
dnl ========================================================
dnl System overrides of the defaults for host
dnl ========================================================
case "$host" in
*mingw*)
if test -n "$_WIN32_MSVC"; then
HOST_CFLAGS="$HOST_CFLAGS"
else
HOST_CFLAGS="$HOST_CFLAGS -mwindows"
fi
HOST_CFLAGS="$HOST_CFLAGS -DXP_WIN -DWIN32 -D_WIN32 -D_CRT_SECURE_NO_WARNINGS"
HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
HOST_BIN_SUFFIX=.exe
case "${host_cpu}" in
i*86)
if test -n "$_WIN32_MSVC"; then
HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X86"
fi
;;
x86_64)
if test -n "$_WIN32_MSVC"; then
HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X64"
fi
HOST_CFLAGS="$HOST_CFLAGS -D_AMD64_"
;;
esac
;;
*-darwin*)
HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX -DXP_MACOSX"
HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}"
;;
*-linux*|*-kfreebsd*-gnu|*-gnu*)
HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX"
HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}"
;;
*)
HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX"
HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}"
;;
esac
dnl ========================================================
dnl System overrides of the defaults for target
dnl ========================================================
case "$target" in
*-darwin*)
MOZ_OPTIMIZE_FLAGS="-O3"
DSO_LDOPTS=''
dnl DTrace and -dead_strip don't interact well. See bug 403132.
dnl ===================================================================
if test "x$enable_dtrace" = "xyes"; then
echo "Skipping -dead_strip because DTrace is enabled. See bug 403132."
else
dnl check for the presence of the -dead_strip linker flag
AC_MSG_CHECKING([for -dead_strip option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-dead_strip"
AC_TRY_LINK(,[return 0;],_HAVE_DEAD_STRIP=1,_HAVE_DEAD_STRIP=)
if test -n "$_HAVE_DEAD_STRIP" ; then
AC_MSG_RESULT([yes])
MOZ_OPTIMIZE_LDFLAGS="-Wl,-dead_strip"
else
AC_MSG_RESULT([no])
fi
LDFLAGS=$_SAVE_LDFLAGS
fi
MOZ_FIX_LINK_PATHS=
;;
*-android*|*-linuxandroid*)
# From https://github.com/android-ndk/ndk/issues/133#issuecomment-308549264
# -Oz is smaller than -Os on clang.
MOZ_OPTIMIZE_FLAGS="-Oz"
# Disable the outliner, which causes performance regressions, and is
# enabled on some platforms at -Oz.
if test -z "$MOZ_LTO"; then
DISABLE_OUTLINER="-mno-outline"
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $DISABLE_OUTLINER"
AC_TRY_COMPILE(,,[MOZ_OPTIMIZE_FLAGS="$MOZ_OPTIMIZE_FLAGS $DISABLE_OUTLINER"])
CFLAGS="$_SAVE_CFLAGS"
else
DISABLE_OUTLINER="-Wl,-plugin-opt=-enable-machine-outliner=never"
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS $MOZ_LTO_LDFLAGS $DISABLE_OUTLINER"
AC_TRY_LINK(,,[MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS $DISABLE_OUTLINER"])
LDFLAGS="$_SAVE_LDFLAGS"
fi
;;
*-*linux*)
if test "$GNU_CC" -o "$GNU_CXX"; then
MOZ_PGO_OPTIMIZE_FLAGS="-O3"
MOZ_OPTIMIZE_FLAGS="-O2"
if test -z "$CLANG_CC"; then
MOZ_OPTIMIZE_FLAGS="-freorder-blocks $MOZ_OPTIMIZE_FLAGS"
fi
fi
case "${target_cpu}" in
alpha*)
CFLAGS="$CFLAGS -mieee"
CXXFLAGS="$CXXFLAGS -mieee"
;;
esac
;;
*-mingw*)
DSO_PIC_CFLAGS=
# certain versions of cygwin's makedepend barf on the
# #include <string> vs -I./dist/include/string issue so don't use it
if test -n "$GNU_CC" -o -n "$CLANG_CC"; then
# $GNU_CC will match gcc and clang; while $CLANG_CC will match only clang
if test -z "$CLANG_CC"; then
AC_MSG_ERROR(Firefox cannot be built with mingw-gcc and requires a mingw-clang toolchain to work)
fi
DSO_LDOPTS='-shared'
MOZ_FIX_LINK_PATHS=
MOZ_OPTIMIZE_FLAGS="-O2"
WIN32_CONSOLE_EXE_LDFLAGS=-mconsole
WIN32_GUI_EXE_LDFLAGS=-mwindows
# Silence problematic clang warnings
CXXFLAGS="$CXXFLAGS -Wno-incompatible-ms-struct"
LDFLAGS="$LDFLAGS -Wl,--no-insert-timestamp"
else
TARGET_COMPILER_ABI=msvc
WIN32_SUBSYSTEM_VERSION=10.0
WIN32_CONSOLE_EXE_LDFLAGS=-SUBSYSTEM:CONSOLE,$WIN32_SUBSYSTEM_VERSION
WIN32_GUI_EXE_LDFLAGS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION
DSO_LDOPTS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION
_DEFINES_CFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
_DEFINES_CXXFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
CFLAGS="$CFLAGS -Gy -Zc:inline"
CXXFLAGS="$CXXFLAGS -Gy -Zc:inline"
if test "$CPU_ARCH" = "x86"; then
dnl VS2012+ defaults to -arch:SSE2. We want to target nothing
dnl more recent, so set that explicitly here unless another
dnl target arch has already been set.
changequote(,)
if test -z `echo $CFLAGS | grep -i [-/]arch:`; then
CFLAGS="$CFLAGS -arch:SSE2"
fi
if test -z `echo $CXXFLAGS | grep -i [-/]arch:`; then
CXXFLAGS="$CXXFLAGS -arch:SSE2"
fi
changequote([,])
fi
dnl VS2013+ supports -Gw for better linker optimizations.
dnl http://blogs.msdn.com/b/vcblog/archive/2013/09/11/introducing-gw-compiler-switch.aspx
dnl Disabled on ASan because it causes false-positive ODR violations.
if test -z "$MOZ_ASAN"; then
CFLAGS="$CFLAGS -Gw"
CXXFLAGS="$CXXFLAGS -Gw"
else
# String tail merging doesn't play nice with ASan's ODR checker.
LDFLAGS="$LDFLAGS -opt:nolldtailmerge"
fi
# Silence VS2017 15.5+ TR1 deprecation warnings hit by older gtest versions
CXXFLAGS="$CXXFLAGS -D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING"
MOZ_DEBUG_LDFLAGS='-DEBUG'
if test "$HOST_OS_ARCH" != "WINNT"; then
# %_PDB% is a special signal to emit only the PDB basename. This
# avoids problems in Windows tools that don't like forward-slashes.
MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -PDBALTPATH:%_PDB%"
fi
MOZ_OPTIMIZE_FLAGS='-O2'
MOZ_FIX_LINK_PATHS=
LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
fi
AC_DEFINE(WIN32_LEAN_AND_MEAN)
dnl See http://support.microsoft.com/kb/143208 to use STL
AC_DEFINE(NOMINMAX)
BIN_SUFFIX='.exe'
case "$host_os" in
cygwin*|msvc*|mks*)
AC_MSG_ERROR([Using a Cygwin build environment is unsupported. Configure cannot check for presence of necessary headers. Please upgrade to MozillaBuild; see https://developer.mozilla.org/en/Windows_Build_Prerequisites.])
;;
esac
case "$target" in
i*86-*)
if test -n "$GNU_CC"; then
CFLAGS="$CFLAGS -mstackrealign"
CXXFLAGS="$CXXFLAGS -mstackrealign"
LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
else
DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X86"
LDFLAGS="$LDFLAGS -SAFESEH"
fi
AC_DEFINE(_X86_)
;;
x86_64-*)
if test -n "$_WIN32_MSVC"; then
DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X64"
fi
AC_DEFINE(_AMD64_)
;;
aarch64-*)
if test -n "$_WIN32_MSVC"; then
DSO_LDOPTS="$DSO_LDOPTS -MACHINE:ARM64"
fi
AC_DEFINE(_ARM64_)
;;
*)
AC_DEFINE(_CPU_ARCH_NOT_DEFINED)
;;
esac
;;
*-netbsd*)
CFLAGS="$CFLAGS -Dunix"
CXXFLAGS="$CXXFLAGS -Dunix"
if $CC -E - -dM </dev/null | grep __ELF__ >/dev/null; then
DSO_PIC_CFLAGS='-fPIC -DPIC'
DSO_LDOPTS='-shared'
MOZ_PROGRAM_LDFLAGS="$MOZ_PROGRAM_LDFLAGS -Wl,--export-dynamic"
else
DSO_PIC_CFLAGS='-fPIC -DPIC'
DSO_LDOPTS='-shared'
fi
# This will fail on a.out systems prior to 1.5.1_ALPHA.
if test "$LIBRUNPATH"; then
DSO_LDOPTS="-Wl,-R$LIBRUNPATH $DSO_LDOPTS"
fi
;;
*-openbsd*)
if test -z "$X11BASE"; then
X11BASE=/usr/X11R6
fi
MOZ_FIX_LINK_PATHS="$MOZ_FIX_LINK_PATHS -Wl,-rpath-link,${X11BASE}/lib"
DSO_PIC_CFLAGS='-fPIC'
DSO_LDOPTS='-shared -fPIC'
if test "$LIBRUNPATH"; then
DSO_LDOPTS="-R$LIBRUNPATH $DSO_LDOPTS"
fi
;;
*-solaris*)
MOZ_FIX_LINK_PATHS="-L${DIST}/bin"
;;
esac
CFLAGS="$CFLAGS $DSO_PIC_CFLAGS"
CXXFLAGS="$CXXFLAGS $DSO_PIC_CFLAGS"
if test -z "$MOZ_OPTIMIZE_FLAGS"; then
MOZ_OPTIMIZE_FLAGS="-O"
fi
if test -z "$COMPILE_ENVIRONMENT"; then
SKIP_COMPILER_CHECKS=1
SKIP_LIBRARY_CHECKS=1
MOZ_DEBUGGING_OPTS
else
MOZ_COMPILER_OPTS
fi # COMPILE_ENVIRONMENT
if test -z "$SKIP_COMPILER_CHECKS"; then
dnl Checks for typedefs, structures, and compiler characteristics.
dnl ========================================================
AC_C_CONST
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_LANG_CPLUSPLUS
AC_LANG_C
AC_LANG_CPLUSPLUS
MOZ_CXX11
AC_LANG_C
dnl Checks for header files.
dnl ========================================================
AC_HEADER_DIRENT
dnl Checks for libraries.
dnl ========================================================
AC_CHECK_LIB(c_r, gethostbyname_r)
dnl We don't want to link with libdl even if it's present on OS X, since
dnl it's not used and not part of the default installation. OS/2 has dlfcn
dnl in libc.
dnl We don't want to link against libm or libpthread on Darwin since
dnl they both are just symlinks to libSystem and explicitly linking
dnl against libSystem causes issues when debugging (see bug 299601).
case $target in
*-darwin*)
;;
*)
AC_SEARCH_LIBS(dlopen, dl,
MOZ_CHECK_HEADER(dlfcn.h,
AC_DEFINE(HAVE_DLOPEN)))
;;
esac
_SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -D_GNU_SOURCE"
AC_CHECK_FUNCS(dladdr)
CFLAGS="$_SAVE_CFLAGS"
if test ! "$GNU_CXX"; then
AC_CHECK_LIB(C, demangle)
fi
AC_CHECK_LIB(socket, socket)
dnl ========================================================
dnl = pthread support
dnl = Start by checking whether the system support pthreads
dnl ========================================================
case "$target_os" in
darwin*)
MOZ_USE_PTHREADS=1
;;
*)
AC_CHECK_LIB(pthreads, pthread_create,
MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads",
AC_CHECK_LIB(pthread, pthread_create,
MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread",
AC_CHECK_LIB(c_r, pthread_create,
MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r",
AC_CHECK_LIB(c, pthread_create,
MOZ_USE_PTHREADS=1
)
)
)
)
;;
esac
dnl ========================================================
dnl Do the platform specific pthread hackery
dnl ========================================================
if test "$MOZ_USE_PTHREADS"x != x
then
dnl
dnl See if -pthread is supported.
dnl
rm -f conftest*
ac_cv_have_dash_pthread=no
AC_MSG_CHECKING(whether ${CC-cc} accepts -pthread)
echo 'int main() { return 0; }' | cat > conftest.c
${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
if test $? -eq 0; then
if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthread`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
ac_cv_have_dash_pthread=yes
case "$target_os" in
freebsd*)
# Freebsd doesn't use -pthread for compiles, it uses them for linking
;;
*)
CFLAGS="$CFLAGS -pthread"
CXXFLAGS="$CXXFLAGS -pthread"
;;
esac
fi
fi
rm -f conftest*
AC_MSG_RESULT($ac_cv_have_dash_pthread)
dnl
dnl See if -pthreads is supported.
dnl
ac_cv_have_dash_pthreads=no
if test "$ac_cv_have_dash_pthread" = "no"; then
AC_MSG_CHECKING(whether ${CC-cc} accepts -pthreads)
echo 'int main() { return 0; }' | cat > conftest.c
${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
if test $? -eq 0; then
if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthreads`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
ac_cv_have_dash_pthreads=yes
CFLAGS="$CFLAGS -pthreads"
CXXFLAGS="$CXXFLAGS -pthreads"
fi
fi
rm -f conftest*
AC_MSG_RESULT($ac_cv_have_dash_pthreads)
fi
case "$target" in
*-*-freebsd*)
AC_DEFINE(_REENTRANT)
AC_DEFINE(_THREAD_SAFE)
dnl -pthread links in -lpthread, so don't specify it explicitly.
if test "$ac_cv_have_dash_pthread" = "yes"; then
_PTHREAD_LDFLAGS="-pthread"
fi
;;
*-*-openbsd*|*-*-bsdi*)
AC_DEFINE(_REENTRANT)
AC_DEFINE(_THREAD_SAFE)
dnl -pthread links in -lc_r, so don't specify it explicitly.
if test "$ac_cv_have_dash_pthread" = "yes"; then
_PTHREAD_LDFLAGS="-pthread"
fi
;;
*-*-linux*|*-*-kfreebsd*-gnu|*-*-gnu*)
AC_DEFINE(_REENTRANT)
;;
esac
LDFLAGS="${_PTHREAD_LDFLAGS} ${LDFLAGS}"
AC_SUBST(MOZ_USE_PTHREADS)
MOZ_CHECK_HEADERS(pthread.h)
fi
dnl Checks for library functions.
dnl ========================================================
dnl check for clock_gettime(), the CLOCK_MONOTONIC clock
AC_CACHE_CHECK(for clock_gettime(CLOCK_MONOTONIC),
ac_cv_clock_monotonic,
[for libs in "" -lrt; do
_SAVE_LIBS="$LIBS"
LIBS="$LIBS $libs"
dnl clock_gettime is available on OSX since 10.12, so depending on MACOSX_DEPLOYMENT_TARGET,
dnl we should or not be able to use it. To detect if we can, we need to make the
dnl availability attribute strict, so that compilation fails when the target is < 10.12.
AC_TRY_LINK([#define availability(os, ...) availability(os, strict, __VA_ARGS)
#include <time.h>],
[ struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts); ],
ac_cv_clock_monotonic=$libs
LIBS="$_SAVE_LIBS"
break,
ac_cv_clock_monotonic=no)
LIBS="$_SAVE_LIBS"
done])
if test "$ac_cv_clock_monotonic" != "no"; then
HAVE_CLOCK_MONOTONIC=1
REALTIME_LIBS=$ac_cv_clock_monotonic
AC_DEFINE(HAVE_CLOCK_MONOTONIC)
AC_SUBST(HAVE_CLOCK_MONOTONIC)
AC_SUBST_LIST(REALTIME_LIBS)
fi
AC_CACHE_CHECK(
[for res_ninit()],
ac_cv_func_res_ninit,
[if test "$OS_TARGET" = NetBSD -o "$OS_TARGET" = OpenBSD; then
dnl no need for res_ninit() on NetBSD and OpenBSD
ac_cv_func_res_ninit=no
else
AC_TRY_LINK([
#ifdef linux
#define _BSD_SOURCE 1
#endif
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
],
[int foo = res_ninit(&_res);],
[ac_cv_func_res_ninit=yes],
[ac_cv_func_res_ninit=no])
fi
])
if test "$ac_cv_func_res_ninit" = "yes"; then
AC_DEFINE(HAVE_RES_NINIT)
dnl must add the link line we do something as foolish as this... dougt
dnl else
dnl AC_CHECK_LIB(bind, res_ninit, AC_DEFINE(HAVE_RES_NINIT),
dnl AC_CHECK_LIB(resolv, res_ninit, AC_DEFINE(HAVE_RES_NINIT)))
fi
AC_LANG_C
dnl ===================================================================
dnl ========================================================
dnl Put your C++ language/feature checks below
dnl ========================================================
AC_LANG_CPLUSPLUS
ARM_ABI_PREFIX=
if test "$GNU_CC"; then
if test "$CPU_ARCH" = "arm" ; then
AC_CACHE_CHECK(for ARM EABI,
ac_cv_gcc_arm_eabi,
[AC_TRY_COMPILE([],
[
#if defined(__ARM_EABI__)
return 0;
#else
#error Not ARM EABI.
#endif
],
ac_cv_gcc_arm_eabi="yes",
ac_cv_gcc_arm_eabi="no")])
if test "$ac_cv_gcc_arm_eabi" = "yes"; then
HAVE_ARM_EABI=1
ARM_ABI_PREFIX=eabi-
else
ARM_ABI_PREFIX=oabi-
fi
fi
TARGET_COMPILER_ABI="${TARGET_COMPILER_ABI-${ARM_ABI_PREFIX}gcc3}"
fi
# try harder, when checking for __thread support, see bug 521750 comment #33 and below
# We pass MOZ_OPTIMIZE_LDFLAGS to the linker because if dead_strip is
# enabled, the linker in xcode 4.1 will crash. Without this it would crash when
# linking XUL.
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS $DSO_LDOPTS $MOZ_OPTIMIZE_LDFLAGS"
AC_CACHE_CHECK(for __thread keyword for TLS variables,
ac_cv_thread_keyword,
[AC_TRY_LINK([__thread bool tlsIsMainThread = false;],
[return tlsIsMainThread;],
ac_cv_thread_keyword=yes,
ac_cv_thread_keyword=no)])
LDFLAGS=$_SAVE_LDFLAGS
# The custom dynamic linker doesn't support TLS variables
if test "$ac_cv_thread_keyword" = yes -a "$MOZ_LINKER" != 1; then
# mips builds fail with TLS variables because of a binutils bug.
# See bug 528687
# OpenBSD doesn't have TLS support, and the test succeeds with clang++
case "${target}" in
mips*-*)
:
;;
*-android*|*-linuxandroid*)
:
;;
*-openbsd*)
:
;;
*)
AC_DEFINE(HAVE_THREAD_TLS_KEYWORD)
;;
esac
fi
if test -n "$MOZ_LINKER"; then
dnl gold emits wrong sysv-style elf hash tables when building both sysv and
dnl style tables. https://sourceware.org/bugzilla/show_bug.cgi?id=13597
dnl Since the linker only understands the sysv ones, no need to build the
dnl gnu style tables anyways.
LDFLAGS="$LDFLAGS -Wl,--hash-style=sysv"
fi
dnl End of C++ language/feature checks
AC_LANG_C
fi # ! SKIP_COMPILER_CHECKS
if test -n "${COMPILE_ENVIRONMENT}"; then
MOZ_CHECK_ALLOCATOR
fi
TARGET_XPCOM_ABI=
if test -n "${CPU_ARCH}" -a -n "${TARGET_COMPILER_ABI}"; then
TARGET_XPCOM_ABI="${CPU_ARCH}-${TARGET_COMPILER_ABI}"
AC_DEFINE_UNQUOTED(TARGET_XPCOM_ABI, ["${TARGET_XPCOM_ABI}"])
fi
dnl We can't run TRY_COMPILE tests on Windows, so hard-code some
dnl features that Windows actually does support.
if test -n "$SKIP_COMPILER_CHECKS"; then
dnl Windows has malloc.h
AC_DEFINE(MALLOC_H, [<malloc.h>])
AC_DEFINE(HAVE_FORCEINLINE)
fi # SKIP_COMPILER_CHECKS
dnl Mozilla specific options
dnl ========================================================
dnl The macros used for command line options
dnl are defined in build/autoconf/altoptions.m4.
dnl ========================================================
dnl =
dnl = Application
dnl =
dnl ========================================================
MOZ_BRANDING_DIRECTORY=
MOZ_OFFICIAL_BRANDING=
MOZ_NO_SMART_CARDS=
MOZ_BINARY_EXTENSIONS=
MOZ_DEVTOOLS=server
dnl ========================================================
dnl = Trademarked Branding
dnl ========================================================
MOZ_ARG_ENABLE_BOOL(official-branding,
[ --enable-official-branding
Enable Official mozilla.org Branding
Do not distribute builds with
--enable-official-branding unless you have
permission to use trademarks per
http://www.mozilla.org/foundation/trademarks/ .],
MOZ_OFFICIAL_BRANDING=1,
MOZ_OFFICIAL_BRANDING=)
# Allow the application to influence configure with a confvars.sh script.
AC_MSG_CHECKING([if app-specific confvars.sh exists])
if test -f "${srcdir}/${MOZ_BUILD_APP}/confvars.sh" ; then
AC_MSG_RESULT([${srcdir}/${MOZ_BUILD_APP}/confvars.sh])
. "${srcdir}/${MOZ_BUILD_APP}/confvars.sh"
else
AC_MSG_RESULT([no])
fi
AC_SUBST(MOZ_OFFICIAL_BRANDING)
if test -n "$MOZ_OFFICIAL_BRANDING"; then
if test -z "$MOZ_OFFICIAL_BRANDING_DIRECTORY"; then
AC_MSG_ERROR([You must specify MOZ_OFFICIAL_BRANDING_DIRECTORY to use --enable-official-branding.])
else
MOZ_BRANDING_DIRECTORY=${MOZ_OFFICIAL_BRANDING_DIRECTORY}
AC_DEFINE(MOZ_OFFICIAL_BRANDING)
fi
fi
MOZ_ARG_WITH_STRING(branding,
[ --with-branding=dir Use branding from the specified directory.],
MOZ_BRANDING_DIRECTORY=$withval)
REAL_BRANDING_DIRECTORY="${MOZ_BRANDING_DIRECTORY}"
if test -z "$REAL_BRANDING_DIRECTORY"; then
REAL_BRANDING_DIRECTORY=${MOZ_BUILD_APP}/branding/nightly
fi
if test -f "${_topsrcdir}/$REAL_BRANDING_DIRECTORY/configure.sh"; then
. "${_topsrcdir}/$REAL_BRANDING_DIRECTORY/configure.sh"
fi
AC_SUBST(MOZ_BRANDING_DIRECTORY)
dnl ========================================================
dnl = Distribution ID
dnl ========================================================
MOZ_ARG_WITH_STRING(distribution-id,
[ --with-distribution-id=ID
Set distribution-specific id (default=org.mozilla)],
[ val=`echo $withval`
MOZ_DISTRIBUTION_ID="$val"])
if test -z "$MOZ_DISTRIBUTION_ID"; then
MOZ_DISTRIBUTION_ID="org.mozilla"
fi
AC_SUBST(MOZ_DISTRIBUTION_ID)
dnl ========================================================
dnl = Enable code optimization. ON by default.
dnl ========================================================
# Use value from moz.configure if one is defined. Else use our computed
# value.
if test -n "${MOZ_CONFIGURE_OPTIMIZE_FLAGS}"; then
MOZ_OPTIMIZE_FLAGS=${MOZ_CONFIGURE_OPTIMIZE_FLAGS}
fi
if test "$COMPILE_ENVIRONMENT"; then
if test -n "$MOZ_OPTIMIZE"; then
AC_MSG_CHECKING([for valid C compiler optimization flags])
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $MOZ_OPTIMIZE_FLAGS"
AC_TRY_COMPILE([#include <stdio.h>],
[printf("Hello World\n");],
_results=yes,
_results=no)
AC_MSG_RESULT([$_results])
if test "$_results" = "no"; then
AC_MSG_ERROR([These compiler flags for C are invalid: $MOZ_OPTIMIZE_FLAGS])
fi
CFLAGS=$_SAVE_CFLAGS
if test -n "$MOZ_LTO" -a -n "$CLANG_CC"; then
# When using llvm-based LTO, non numeric optimization levels are
# not supported by the linker, so force the linker to use -O2 (
# which doesn't influence the level compilation units are actually
# compiled at).
case " $MOZ_OPTIMIZE_FLAGS " in
*\ -Os\ *|*\ -Oz\ *)
MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS -O2"
;;
esac
fi
fi
fi # COMPILE_ENVIRONMENT
AC_SUBST_LIST(MOZ_OPTIMIZE_FLAGS)
AC_SUBST_LIST(MOZ_OPTIMIZE_LDFLAGS)
AC_SUBST_LIST(MOZ_PGO_OPTIMIZE_FLAGS)