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configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_INIT()
{
AC_CONFIG_AUX_DIR(tool)
AC_PREREQ(2.60)
AC_DEFUN([RUBY_PREREQ_AC],
[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]), [$1]), [-1],
AC_MSG_ERROR([Autoconf version ]$1[ or higher is required]$2))])
{ # environment section
AC_ARG_WITH(baseruby,
AS_HELP_STRING([--with-baseruby=RUBY], [use RUBY as baseruby; RUBY is the pathname of ruby]),
[
AS_CASE(["$withval"],[*ruby*],[BASERUBY=$withval],[AC_MSG_ERROR(need ruby)])
],
[
BASERUBY="ruby"
])
if test "`RUBYOPT=- $BASERUBY -e 'p 42' 2>/dev/null`" = 42; then
if test "`RUBYOPT=- $BASERUBY --disable=gems -e 'p 42' 2>/dev/null`" = 42; then
BASERUBY="$BASERUBY --disable=gems"
fi
else
BASERUBY="echo executable host ruby is required. use --with-baseruby option.; false"
fi
AC_SUBST(BASERUBY)
AC_DEFUN([RUBY_MINGW32],
[AS_CASE(["$host_os"],
[cygwin*], [
AC_CACHE_CHECK(for mingw32 environment, rb_cv_mingw32,
[AC_TRY_CPP([
#ifndef __MINGW32__
# error
#endif
], rb_cv_mingw32=yes,rb_cv_mingw32=no)
rm -f conftest*])
if test "$rb_cv_mingw32" = yes; then
target_os="mingw32"
: ${ac_tool_prefix:="`expr "$CC" : ['\(.*-\)g\?cc[^/]*$']`"}
fi
])
AS_CASE(["$target_os"], [mingw*msvc], [
target_os="`echo ${target_os} | sed 's/msvc$//'`"
])
AS_CASE(["$target_cpu-$target_os"], [x86_64-mingw*], [
target_cpu=x64
])
])
AC_DEFUN([RUBY_NACL],
[
AS_CASE(["${host_os}"],
[nacl], [
ac_cv_exeext=.nexe
host_vendor=chromium
ac_cv_host=chromium
AC_MSG_CHECKING([wheather \$NACL_SDK_ROOT is set])
if test x"${NACL_SDK_ROOT}" = x; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([You need to set \$NACL_SDK_ROOT environment variable to build for NativeClient])
fi
AC_MSG_RESULT([yes])
nacl_cv_build_variant=glibc
AC_ARG_WITH(newlib,
AS_HELP_STRING([--with-newlib], [uses newlib version of NativeClient SDK]),
[AS_CASE([$withval],
[no], [nacl_cv_build_variant=glibc],
[yes], [nacl_cv_build_variant=newlib])])
AS_CASE(["$build_cpu"],
[x86_64|i?86], [nacl_cv_cpu_nick=x86], [nacl_cv_cpu_nick=$build_cpu])
AS_CASE(["$build_os"],
[linux*], [nacl_cv_os_nick=linux],
[darwin*], [nacl_cv_os_nick=mac],
[cygwin*|mingw*], [nacl_cv_os_nick=win],
[nacl_cv_os_nick=$build_os])
host="$host_cpu-chromium-$host_os-"
ac_tool_prefix="$host_cpu-nacl-"
AC_MSG_CHECKING([NativeClient toolchain])
if test -d \
"${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_${nacl_cv_build_variant}"; then
NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_${nacl_cv_build_variant}"
else
AS_CASE(
["${nacl_cv_build_variant}"],
[glibc], [if test \
-d "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}_newlib" \
-a -d "${NACL_SDK_ROOT}/toolchain/${nacl_cv_os_nick}_${nacl_cv_cpu_nick}"; then
NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}"
fi],
[newlib], [ NACL_TOOLCHAIN="${nacl_cv_os_nick}_${nacl_cv_cpu_nick}" ])
fi
if test ! -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/${ac_tool_prefix}gcc"; then
if test "${build_cpu}" = i686 -a -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/nacl-gcc"; then
ac_tool_prefix=nacl-
fi
if test "${build_cpu}" = x86_64 -a -e "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/nacl-gcc"; then
ac_tool_prefix=nacl64-
fi
fi
if test -z "${NACL_TOOLCHAIN}"; then
AC_MSG_ERROR([Unrecognized --host and --build combination or NaCl SDK is not installed])
fi
AC_MSG_RESULT(${NACL_TOOLCHAIN})
AC_MSG_CHECKING([path to SDK])
if ! echo -- "${PATH}" | grep -F "${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin" > /dev/null; then
PATH="${PATH}:${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin"
fi
AC_SUBST(NACL_TOOLCHAIN)
AC_SUBST(NACL_SDK_ROOT)
AC_SUBST(NACL_SDK_VARIANT, nacl_cv_build_variant)
])])
AC_DEFUN([RUBY_NACL_CHECK_PEPPER_TYPES],
[AS_CASE(["${host_os}"],
[nacl], [
AC_CHECK_TYPES([struct PPB_Core, struct PPB_Messaging, struct PPB_Var,
struct PPB_URLLoader, struct PPB_URLRequestInfo,
struct PPB_URLResponseInfo, struct PPB_FileRef,
struct PPP_Instance])
])
])
AC_DEFUN([RUBY_CPPOUTFILE],
[AC_CACHE_CHECK(whether ${CPP} accepts -o, rb_cv_cppoutfile,
[save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS='-o conftest-1.i'
rb_cv_cppoutfile=no
AC_TRY_CPP([test-for-cppout],
[grep test-for-cppout conftest-1.i > /dev/null && rb_cv_cppoutfile=yes])
CPPFLAGS="$save_CPPFLAGS"
rm -f conftest*])
if test "$rb_cv_cppoutfile" = yes; then
CPPOUTFILE='-o conftest.i'
elif test "$rb_cv_cppoutfile" = no; then
CPPOUTFILE='> conftest.i'
elif test -n "$rb_cv_cppoutfile"; then
CPPOUTFILE="$rb_cv_cppoutfile"
fi
AC_SUBST(CPPOUTFILE)])
AC_DEFUN([RUBY_PROG_GNU_LD],
[AC_CACHE_CHECK(whether the linker is GNU ld, rb_cv_prog_gnu_ld,
[if `$CC $CFLAGS $CPPFLAGS $LDFLAGS --print-prog-name=ld 2>&1` -v 2>&1 | grep "GNU ld" > /dev/null; then
rb_cv_prog_gnu_ld=yes
else
rb_cv_prog_gnu_ld=no
fi
])
GNU_LD=$rb_cv_prog_gnu_ld
AC_SUBST(GNU_LD)])
eval `sed -n 's/^#define RUBY_API_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/\1=\2/p' $srcdir/include/ruby/version.h`
for v in MAJOR MINOR TEENY; do
if eval "test \"\$$v\" = ''"; then
AC_MSG_ERROR(could not determine $v number from version.h)
fi
done
AC_SUBST(MAJOR)
AC_SUBST(MINOR)
AC_SUBST(TEENY)
RUBY_PROGRAM_VERSION=`sed -n 's/^#define RUBY_VERSION "\(.*\)"/\1/p' $srcdir/version.h`
AC_SUBST(RUBY_PROGRAM_VERSION)
RUBY_RELEASE_DATE=`sed -n 's/^#define RUBY_RELEASE_DATE "\(.*\)"/\1/p' $srcdir/version.h`
AC_SUBST(RUBY_RELEASE_DATE)
RUBY_PATCHLEVEL=`sed -n 's/^#define RUBY_PATCHLEVEL //p' $srcdir/version.h`
AC_DEFINE(CANONICALIZATION_FOR_MATHN)
dnl checks for alternative programs
AC_CANONICAL_BUILD
AC_ARG_WITH(gcc,
AS_HELP_STRING([--without-gcc], [never use gcc]),
[
AS_CASE([$withval],
[no], [: ${CC=cc}],
[yes], [: ${CC=gcc}],
[CC=$withval])])
dnl If the user switches compilers, we can't believe the cache
if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
then
AC_MSG_ERROR(cached CC is different -- throw away $cache_file
(it is also a good idea to do 'make clean' before compiling))
fi
AS_CASE(["$build_os"],
[darwin11.*], [
AS_CASE(["x$CC"],
[xgcc-4.2|x/usr/bin/gcc-4.2], [: ${CXX=g++-4.2}],
[xgcc|x/usr/bin/gcc], [: ${CXX=g++}],
[xcc|x/usr/bin/cc], [: ${CXX=c++}],
[xclang|x/usr/bin/clang], [: ${CXX=clang++}])
])
test -z "$CC" || ac_cv_prog_CC="$CC"
if test "$program_prefix" = NONE; then
program_prefix=
fi
RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"`
AC_SUBST(RUBY_BASE_NAME)
AC_SUBST(RUBYW_BASE_NAME)
AC_SUBST(RUBY_VERSION_NAME, '${RUBY_BASE_NAME}-${ruby_version}')
AC_DEFINE_UNQUOTED(RUBY_BASE_NAME, "${RUBY_BASE_NAME}" !<verconf>!)
AC_DEFINE_UNQUOTED(RUBY_VERSION_NAME, RUBY_BASE_NAME"-"RUBY_LIB_VERSION !<verconf>!)
AC_CANONICAL_TARGET
test x"$target_alias" = x &&
target_os=`echo $target_os | sed 's/linux-gnu$/linux/;s/linux-gnu/linux-/'`
ac_install_sh='' # unusable for extension libraries.
AC_DEFUN([RUBY_APPEND_OPTION],
[# RUBY_APPEND_OPTION($1, $2)
AS_CASE([" [$]{$1-} "],
[*' $2 '*], [], [' '], [ $1="$2"], [ $1="[$]$1 $2"])])
AC_DEFUN([RUBY_APPEND_OPTIONS],
[{ for rb_opt in $2; do # RUBY_APPEND_OPTIONS($1, $2)
AS_CASE([" [$]{$1-} "],
[*" [$]{rb_opt} "*], [], [' '], [ $1="[$]{rb_opt}"], [ $1="[$]$1 [$]{rb_opt}"])
done; }])
AC_DEFUN([RUBY_PREPEND_OPTION],
[# RUBY_PREPEND_OPTION($1, $2)
AS_CASE([" [$]{$1-} "],
[*' $2 '*], [], [' '], [ $1="$2"], [ $1="$2 [$]$1"])])
AC_DEFUN([RUBY_PREPEND_OPTIONS],
[{ unset rb_opts; for rb_opt in $2; do # RUBY_PREPEND_OPTIONS($1, $2)
AS_CASE([" [$]{rb_opts} [$]{$1-} "],
[*" [$]{rb_opt} "*], [], [' '], [ $1="[$]{rb_opt}"], [ rb_opts="[$]{rb_opts}[$]{rb_opt} "])
done
$1="[$]{rb_opts}[$]$1"; }])
AC_ARG_WITH(arch,
AS_HELP_STRING([--with-arch=ARCHS],
[build an Apple/NeXT Multi Architecture Binary (MAB);
ARCHS is a comma-delimited list of architectures for
which to build; if this option is disabled or omitted
entirely, then the package will be built only for the
target platform]),
[target_archs="$withval"], [unset target_archs])
AC_DEFUN([RUBY_DEFAULT_ARCH], [
AC_MSG_CHECKING([arch option])
AS_CASE([$1],
[*64], [ARCH_FLAG=-m64],
[[i[3-6]86]], [ARCH_FLAG=-m32],
[AC_MSG_ERROR(unknown target architecture: $target_archs)]
)
AC_MSG_RESULT([$ARCH_FLAG])
])
AC_DEFUN([RUBY_UNIVERSAL_ARCH], [
# RUBY_UNIVERSAL_ARCH begin
ARCH_FLAG=`expr " $CFLAGS " : ['.* \(-m[0-9][0-9]*\) ']`
test ${CFLAGS+set} && CFLAGS=`echo "$CFLAGS" | sed -e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g'`
test ${LDFLAGS+set} && LDFLAGS=`echo "$LDFLAGS" | sed -e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g'`
unset universal_binary universal_archnames
if test ${target_archs+set}; then
AC_MSG_CHECKING([target architectures])
target_archs=`echo $target_archs | tr , ' '`
# /usr/lib/arch_tool -archify_list $TARGET_ARCHS
for archs in $target_archs
do
AS_CASE([",$universal_binary,"],[*",$archs,"*], [],[
cpu=`$SHELL "$ac_aux_dir/config.sub" "${archs}-${target_os}" 2>&1` || {
AC_MSG_RESULT([failed])
AC_MSG_ERROR([$cpu])
}
cpu=`echo $cpu | sed 's/-.*-.*//'`
universal_binary="${universal_binary+$universal_binary,}$cpu"
universal_archnames="${universal_archnames} ${archs}=${cpu}"
ARCH_FLAG="${ARCH_FLAG+$ARCH_FLAG }-arch $archs"
])
done
target_archs="$universal_binary"
unset universal_binary
AS_CASE(["$target_archs"],
[*,*], [universal_binary=yes],
[unset universal_archnames])
AC_MSG_RESULT([$target_archs])
target=`echo $target | sed "s/^$target_cpu-/-/"`
target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"`
if test "${universal_binary-no}" = yes; then
RUBY_PREREQ_AC(2.63, [ to compile universal binary])
AC_SUBST(try_header,try_compile)
target_cpu=universal
real_cross_compiling=$cross_compiling
else
if test x"$target_cpu" != x"${target_archs}"; then
echo 'int main(){return 0;}' > conftest.c
if $CC $CFLAGS $ARCH_FLAG -o conftest conftest.c > /dev/null 2>&1; then
rm -fr conftest.*
else
RUBY_DEFAULT_ARCH("$target_archs")
fi
fi
target_cpu=${target_archs}
fi
AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"])
AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"])
else
if test x"$target_alias" = x; then
AS_CASE(["$target_os"],
[darwin*], [
AC_MSG_CHECKING([for real target cpu])
target=`echo $target | sed "s/^$target_cpu-/-/"`
target_cpu=`$CC -E - 2>/dev/null <<EOF |
#ifdef __x86_64__
"processor-name=x86_64"
#endif
#ifdef __i386__
"processor-name=i386"
#endif
#ifdef __ppc__
"processor-name=powerpc"
#endif
#ifdef __ppc64__
"processor-name=powerpc64"
#endif
EOF
sed -n 's/^"processor-name=\(.*\)"/\1/p'`
target="$target_cpu${target}"
AC_MSG_RESULT([$target_cpu])
])
fi
target_archs="$target_cpu"
fi
if test "${target_archs}" != "${rb_cv_target_archs-${target_archs}}"; then
AC_MSG_ERROR([target arch(s) has changed from ${rb_cv_target_archs-nothing} to ${target_archs}])
else
rb_cv_target_archs=${target_archs}
fi
if test "x${ARCH_FLAG}" != x; then
CFLAGS="$CFLAGS ${ARCH_FLAG}"
LDFLAGS="${LDFLAGS+$LDFLAGS }${ARCH_FLAG}"
fi
# RUBY_UNIVERSAL_ARCH end
])
AC_ARG_ENABLE(load-relative,
AS_HELP_STRING([--enable-load-relative], [resolve load paths at run time]),
[load_relative=$enableval])
AC_ARG_PROGRAM
dnl Checks for programs.
cflagspat=
test -z "$optflags" ||
cflagspat="$cflagspat;s|"`eval echo '"'"${optflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
test -z "$debugflags" ||
cflagspat="$cflagspat;s|"`eval echo '"'"${debugflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
test -z "warnflags" ||
cflagspat="$cflagspat;s|"`eval echo '"'"${warnflags}"'"' | sed 's/[[][|.*]]/\\&/g;s/^ */ /;s/ *$/ /'`'| |g'
if test -z "${CFLAGS+set}"; then
cflags=`echo " $cflags " | sed "$cflagspat;s/^ *//;s/ *$//"`
orig_cflags="$cflags"
cflags="$cflags "'${optflags} ${debugflags} ${warnflags}'
fi
if test -z "${CXXFLAGS+set}"; then
cxxflags=`echo " $cxxflags " | sed "$cflagspat;s/^ *//;s/ *$//"`
orig_cxxflags="$cxxflags"
cxxflags="$cxxflags "'${optflags} ${debugflags} ${warnflags}'
fi
RUBY_NACL
AS_CASE(["$host_os:$build_os"],
[darwin*:darwin*], [
AC_CHECK_TOOLS(CC, [gcc-4.2 clang gcc cc])
])
if test x"${build}" != x"${host}"; then
AC_CHECK_TOOL(CC, gcc)
fi
AC_PROG_CC
AC_PROG_CXX
RUBY_MINGW32
AC_PROG_GCC_TRADITIONAL
AC_SUBST(GCC)
AS_CASE(["$target_os"],
[solaris*], [AC_PATH_TOOL([LD], [ld], [/usr/ccs/bin/ld], [/usr/ccs/bin:$PATH])],
[AC_CHECK_TOOL([LD], [ld], [ld])])
AC_SUBST(LD)
if test "$GCC" = yes; then
linker_flag=-Wl,
: ${optflags=-O3}
RUBY_APPEND_OPTIONS(XCFLAGS, ["-include ruby/config.h" "-include ruby/missing.h"])
else
linker_flag=
fi
RUBY_PROG_GNU_LD
RUBY_CPPOUTFILE
: ${OUTFLAG='-o '}
: ${COUTFLAG=${OUTFLAG}}
AC_SUBST(OUTFLAG)
AC_SUBST(COUTFLAG)
RUBY_UNIVERSAL_ARCH
if test "$target_cpu" != "$host_cpu" -a "$GCC" = yes -a "$cross_compiling" = no -a "$universal_binary" = no; then
RUBY_DEFAULT_ARCH("$target_cpu")
fi
AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86*]], [
AC_CACHE_CHECK([for __sync_val_compare_and_swap], [rb_cv_gcc_compiler_cas], [
AC_TRY_LINK([unsigned long atomic_var;],
[
__sync_val_compare_and_swap(&atomic_var, 0, 1);
],
[rb_cv_gcc_compiler_cas=yes],
[rb_cv_gcc_compiler_cas=no])])
if test "$rb_cv_gcc_compiler_cas" = no; then
unset rb_cv_gcc_compiler_cas
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -march=i486"
AC_CACHE_CHECK([for __sync_val_compare_and_swap with -march=i486], [rb_cv_gcc_compiler_cas], [
AC_TRY_LINK([unsigned long atomic_var;],
[
__sync_val_compare_and_swap(&atomic_var, 0, 1);
],
[rb_cv_gcc_compiler_cas=yes
ARCH_FLAG="-march=i486"],
[rb_cv_gcc_compiler_cas=no])])
CFLAGS="$save_CFLAGS"
fi])
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(AR, ar)
if test -z "$AR"; then
AC_CHECK_PROGS(AR, aal, ar)
fi
AC_CHECK_TOOL(AS, as)
ASFLAGS=$ASFLAGS
AC_SUBST(ASFLAGS)
AS_CASE(["$target_os"],[cygwin*|mingw*], [ac_cv_prog_ac_ct_OBJCOPY=":"])
# BSD's ports and MacPorts prefix GNU binutils with 'g'
AC_CHECK_TOOLS(OBJDUMP, [objdump gobjdump])
AC_CHECK_TOOLS(OBJCOPY, [objcopy gobjcopy])
AS_CASE(["$target_os"],
[cygwin*|mingw*], [
AC_CHECK_TOOL(WINDRES, windres)
AC_CHECK_TOOL(DLLWRAP, dllwrap)
target=`echo $target | sed "s/^$target_cpu-/-/"`
target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"`
target_cpu=`echo $target_cpu | sed s/i.86/i386/`
AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"])
AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"])
AS_CASE(["$target_os"],
[mingw*], [
test "$rb_cv_msvcrt" = "" && unset rb_cv_msvcrt
AC_CACHE_CHECK(for mingw32 runtime DLL, rb_cv_msvcrt, [
AC_TRY_LINK([@%:@include <stdio.h>],
[FILE* volatile f = stdin; return 0;],
[rb_cv_msvcrt=`$OBJDUMP -p conftest$ac_exeext |
tr A-Z a-z |
sed -n '/^[[ ]]*dll name: \(msvc.*\)\.dll$/{s//\1/p;q;}'`],
[rb_cv_msvcrt=msvcrt])
test "$rb_cv_msvcrt" = "" && rb_cv_msvcrt=msvcrt])
RT_VER=`echo "$rb_cv_msvcrt" | tr -cd [0-9]`
test "$RT_VER" = "" && RT_VER=60
AC_DEFINE_UNQUOTED(RUBY_MSVCRT_VERSION, $RT_VER)
])
: ${enable_shared=yes}
],
[aix*], [AC_CHECK_TOOL(NM, nm, /usr/ccs/bin/nm, /usr/ccs/bin:$PATH)],
[hiuxmpp*], [AC_DEFINE(__HIUX_MPP__)]) # by TOYODA Eizi <[email protected]>
AC_CHECK_TOOL(NM, nm)
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_MKDIR_P
if test "x$MKDIR_P" = "x -d"; then
if test x"$as_mkdir_p" != xfalse; then
MKDIR_P='mkdir -p'
echo "use 'mkdir -p' as MKDIR_P"
else
AC_MSG_ERROR([mkdir -p is required])
fi
fi
MAKEDIRS="$MKDIR_P"
AC_SUBST(MAKEDIRS)
AC_DEFUN([RUBY_DTRACE_AVAILABLE],
[AC_CACHE_CHECK(whether dtrace USDT is available, rb_cv_dtrace_available,
[
echo "provider conftest{ probe fire(); };" > conftest_provider.d
if $DTRACE -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null; then
# DTrace is available on the system
rb_cv_dtrace_available=yes
else
# DTrace is not available while dtrace command exists
# for example FreeBSD 8 or FreeBSD 9 without DTrace build option
rb_cv_dtrace_available=no
fi
rm -f conftest.[co] conftest_provider.[dho]
])
])
AC_DEFUN([RUBY_DTRACE_POSTPROCESS],
[AC_CACHE_CHECK(whether $DTRACE needs post processing, rb_cv_prog_dtrace_g,
[
echo "int main(void){ return 0; }" > conftest.c
echo "provider conftest{};" > conftest_provider.d
$CC $CFLAGS -c -o conftest.o conftest.c
if $DTRACE -G -s conftest_provider.d conftest.o 2>/dev/null; then
rb_cv_prog_dtrace_g=yes
else
rb_cv_prog_dtrace_g=no
fi
rm -f conftest.o conftest.c conftest_provider.d conftest_provider.o
])
])
AC_CHECK_PROG([DTRACE], [${ac_tool_prefix}dtrace], [${ac_tool_prefix}dtrace])
if test "$cross_compiling:$ac_cv_prog_DTRACE" = no: -a -n "$ac_tool_prefix"; then
AC_CHECK_PROG([DTRACE], [dtrace], [dtrace])
fi
AC_CHECK_PROGS(DOT, dot)
AC_CHECK_PROGS(DOXYGEN, doxygen)
AS_CASE(["${host_os}"], [nacl], [AC_PATH_PROG(PYTHON, python)])
AC_CHECK_PROG(PKG_CONFIG, pkg-config, [pkg-config], [], [],
[`"$as_dir/$ac_word$ac_exec_ext" --print-errors --version > /dev/null 2>&1 || echo "$as_dir/$ac_word$ac_exec_ext"`])
# checks for UNIX variants that set C preprocessor variables
AC_USE_SYSTEM_EXTENSIONS
AC_SUBST(RM, ['rm -f'])
AC_SUBST(CP, ['cp'])
RMDIRS='$(top_srcdir)/tool/rmdirs'
RMDIR=rmdir
mkdir "rmdirs_$$_test" "rmdirs_$$_test/a"
rmdir --ignore-fail-on-non-empty "rmdirs_$$_test" 2>/dev/null &&
RMDIR='rmdir --ignore-fail-on-non-empty'
$RMDIR -p "rmdirs_$$_test/a" 2>/dev/null &&
{ test -d "rmdirs_$$_test" || RMDIRS="$RMDIR -p"; }
rmdir "rmdirs_$$_test/a" "rmdirs_$$_test" 2>/dev/null
AC_SUBST(RMDIR)
AC_SUBST(RMDIRS)
AC_SUBST(RMALL, ['rm -fr'])
AC_MSG_CHECKING([for cd using physical directory])
rm -fr conf$$.dir
mkdir conf$$.dir &&
(cd conf$$.dir && mkdir src build && cd src &&
$as_ln_s ../build . > /dev/null 2>&1 && cd build &&
for chdir in 'cd -P' 'PWD= cd'; do
/bin/sh -c "$chdir ../src && echo '$chdir' > cdcmd" 2> /dev/null && break
done)
if test -f conf$$.dir/src/cdcmd; then
read CHDIR < conf$$.dir/src/cdcmd 2> /dev/null
else
CHDIR=cd
fi
rm -fr conf$$.dir
AC_MSG_RESULT([$CHDIR])
AC_SUBST(CHDIR)
}
{ # compiler section
AC_DEFUN([RUBY_WERROR_FLAG], [dnl
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $rb_cv_warnflags"
if test "${ac_c_werror_flag+set}"; then
rb_c_werror_flag="$ac_c_werror_flag"
else
unset rb_c_werror_flag
fi
ac_c_werror_flag=yes
$1
CFLAGS="$save_CFLAGS"
save_CFLAGS=
if test "${rb_c_werror_flag+set}"; then
ac_c_werror_flag="$rb_c_werror_flag"
else
unset ac_c_werror_flag
fi])
AC_DEFUN(RUBY_TRY_CFLAGS, [
AC_MSG_CHECKING([whether ]$1[ is accepted as CFLAGS])
RUBY_WERROR_FLAG([
CFLAGS="[$]CFLAGS $1"
AC_TRY_COMPILE([$4], [$5],
[$2
AC_MSG_RESULT(yes)],
[$3
AC_MSG_RESULT(no)])
])
])
AC_DEFUN(RUBY_TRY_LDFLAGS, [
save_LDFLAGS="$LDFLAGS"
LDFLAGS="[$]LDFLAGS $1"
AC_MSG_CHECKING([whether $1 is accepted as LDFLAGS])
RUBY_WERROR_FLAG([
AC_TRY_LINK([$4], [$5],
[$2
AC_MSG_RESULT(yes)],
[$3
AC_MSG_RESULT(no)])
])
LDFLAGS="$save_LDFLAGS"
save_LDFLAGS=
])
AS_CASE([$RUBY_PATCHLEVEL], [-*],
[particular_werror_flags=yes], [particular_werror_flags=no])
AC_ARG_ENABLE(werror,
AS_HELP_STRING([--disable-werror],
[don't make warnings into errors
even if a compiler support -Werror feature
[[disabled by default unless development version]]]),
[particular_werror_flags=$enableval])
rb_cv_warnflags="$warnflags"
if test "$GCC:${warnflags+set}:no" = yes::no; then
for wflag in -Wno-unused-parameter -Wno-parentheses -Wno-long-long \
-Wno-missing-field-initializers \
-Wunused-variable \
-Werror=pointer-arith \
-Werror=write-strings \
-Werror=declaration-after-statement \
-Werror=shorten-64-to-32 \
-Werror=implicit-function-declaration \
; do
if test "$particular_werror_flags" != yes; then
wflag=`echo x$wflag | sed 's/^x-Werror=/-W/;s/^x//'`
fi
ok=no
RUBY_TRY_CFLAGS($wflag, [
RUBY_APPEND_OPTIONS(warnflags, $wflag)
ok=yes
])
AS_CASE([$ok:$wflag], [no:-Werror=*], [
wflag=`echo x$wflag | sed 's/^x-Werror=/-W/'`
RUBY_TRY_CFLAGS($wflag, [
RUBY_APPEND_OPTIONS(warnflags, $wflag)
particular_werror_flags=no
])
])
done
AS_CASE([" $warnflags "],[*" -Wno-missing-field-initializers "*], [wflag="-Wall -Wextra"],
[wflag=-Wall])
RUBY_TRY_CFLAGS($wflag, [warnflags="$wflag${warnflags+ $warnflags}"])
# Disable warnflags while conftest. -Werror=* flags might make bad OS capability guess.
rb_cv_warnflags="$warnflags"
warnflags=
fi
if test "$GCC" = yes; then
test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-ggdb3, [debugflags=-ggdb3])}
test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-ggdb, [debugflags=-ggdb])}
test "${debugflags+set}" || {RUBY_TRY_CFLAGS(-g3, [debugflags=-g3])}
# -D_FORTIFY_SOURCE
RUBY_TRY_CFLAGS(-D_FORTIFY_SOURCE=2, [RUBY_APPEND_OPTION(XCFLAGS, -D_FORTIFY_SOURCE=2)])
# -fstack-protector
AS_CASE(["$target_os"],
[mingw*|nacl|haiku], [
stack_protector=no
],
[
RUBY_TRY_CFLAGS(-fstack-protector, [stack_protector=yes], [stack_protector=no])
if test "x$stack_protector" = xyes; then
RUBY_TRY_LDFLAGS(-fstack-protector, [], [stack_protector=broken])
fi
])
if test "x$stack_protector" = xyes; then
RUBY_APPEND_OPTION(XCFLAGS, -fstack-protector)
RUBY_APPEND_OPTION(XLDFLAGS, -fstack-protector)
RUBY_APPEND_OPTION(LDFLAGS, -fstack-protector)
fi
AS_CASE(["$target_os"],[mingw*], [
# On Windows platforms, system provided headers are VC++
# optimized. That is, C++ habits are often contaminated into
# various headers. Most frequent situation is the use of //
# comments. We bypass ANSI C mode for them. Otherwise
# extension libs cannot include those headers.
],
[cygwin*|darwin*|netbsd*], [
# need lgamma_r(), finite()
],
[haiku], [
# Haiku R1/alpha3 uses gcc-4.4.4 which can not handle anonymous union
# with ANSI standard flags. Anonumous union is required to compile
# socket extension where <net/if.h> uses anonymous union.
],
[
# ANSI (no XCFLAGS because this is C only)
RUBY_TRY_CFLAGS(-ansi -std=iso9899:199409, [
RUBY_APPEND_OPTION(warnflags, -ansi -std=iso9899:199409)
RUBY_APPEND_OPTION(strict_warnflags, -ansi -std=iso9899:199409)
])
])
# suppress annoying -Wstrict-overflow warnings
RUBY_TRY_CFLAGS(-fno-strict-overflow, [RUBY_APPEND_OPTION(XCFLAGS, -fno-strict-overflow)])
fi
test $ac_cv_prog_cc_g = yes && : ${debugflags=-g}
if test "$GCC" = ""; then
AS_CASE(["$target_os"],[aix*],[warnflags="$warnflags -qinfo=por" rb_cv_warnflags="$rb_cv_warnflags -qinfo=por"])
fi
if test "$GCC" = yes; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
@%:@if !(defined __GNUC__ && __GNUC__ >= 4)
@%:@error not GCC 4 or later
>>>not GCC 4 or later<<<
@%:@endif])],
[visibility_option=yes], [visibility_option=no])
if test "$visibility_option" = yes; then
RUBY_TRY_CFLAGS(-fvisibility=hidden, [visibility_option=yes], [visibility_option=no])
fi
AC_SUBST(WERRORFLAG, "-Werror")
if test "$visibility_option" = yes; then
RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden)
else
RUBY_TRY_LDFLAGS([-Wl,-unexported_symbol,_Init_*], [visibility_option=ld], [visibility_option=no])
fi
test "$visibility_option" = no -o "$host_os" = nacl || OBJCOPY=:
fi
if test "$GCC" = yes; then
# optflags
AS_CASE(["$target_os"], [mingw*], [
RUBY_TRY_CFLAGS(-fno-omit-frame-pointer, [optflags="${optflags+$optflags }-fno-omit-frame-pointer"])
])
# disable fast-math
for oflag in -fno-fast-math; do
RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(optflags, $oflag)])
done
fi
test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\""
test -z "${ac_env_CXXFLAGS_set}" -a -n "${cxxflags+set}" && eval CXXFLAGS="\"$cxxflags $ARCH_FLAG\""
}
{ # header and library section
AC_ARG_WITH(winnt-ver,
AS_HELP_STRING([--with-winnt-ver=0xXXXX], [target Windows NT version (default to 0x0501)]),
[with_winnt_ver="$withval"], [with_winnt_ver="0x0501"])
AS_CASE(["$target_os"],
[mingw*], [
RUBY_APPEND_OPTION(CPPFLAGS, -D_WIN32_WINNT=$with_winnt_ver)
])
AS_CASE(["$target_os"],
[freebsd*], [
AC_CACHE_CHECK([whether pthread should be enabled by default],
rb_cv_enable_pthread_default,
[AC_TRY_CPP([
#include <osreldate.h>
#if __FreeBSD_version < 502102
#error pthread should be disabled on this platform
#endif
],
rb_cv_enable_pthread_default=yes,
rb_cv_enable_pthread_default=no)])
enable_pthread=$rb_cv_enable_pthread_default
],
[mingw*], [
enable_pthread=no
],
[
enable_pthread=yes
])
AC_ARG_ENABLE(pthread,
AS_HELP_STRING([--enable-pthread], [obsolete, and ignored]))
dnl Checks for libraries.
AS_CASE(["$target_os"],[*bsd*|dragonfly*],[],[ac_cv_func_daemon=no])
POSTLINK=:
AC_SUBST(POSTLINK)
AS_CASE(["$target_os"],
[nextstep*], [ ],
[openstep*], [ ],
[rhapsody*], [ ],
[darwin*], [ RUBY_PREPEND_OPTION(LIBS, -lobjc)
RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT)
AC_MSG_CHECKING(whether Mac OS X 10.5 or later)
AC_TRY_CPP([#include <AvailabilityMacros.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED <= 1040
#error pre OS X 10.4
[!<===== pre OS X 10.4 =====>]
#endif
],
[macosx_10_5=yes], [macosx_10_5=no])
AC_MSG_RESULT($macosx_10_5)
if test $macosx_10_5 = yes; then
ac_cv_header_ucontext_h=no
else
AC_DEFINE(BROKEN_SETREUID, 1)
AC_DEFINE(BROKEN_SETREGID, 1)
fi
ac_cv_type_getgroups=gid_t # getgroups() on Rosetta fills garbage
ac_cv_lib_crypt_crypt=no
ac_cv_func_fdatasync=no # Mac OS X wrongly reports it has fdatasync()
AC_CACHE_CHECK(for broken crypt with 8bit chars, rb_cv_broken_crypt,
[AC_TRY_RUN([
#include <stdio.h>
#include <unistd.h>
#include <string.h>
int
main()
{
int i;
for (i = 0; i < 128*128; i++) {
char salt[2], buf[256], *s;
salt[0] = 0x80 | (i & 0x7f);
salt[1] = 0x80 | (i >> 7);
strcpy(buf, crypt("", salt));
if (strcmp(buf, s = crypt("", salt))) {
#if 0
printf("%.2x%.2x: %s -> %s\n", (unsigned char)salt[0], (unsigned char)salt[1],
buf+2, s+2);
#endif
return 1;
}
}
return 0;
}
],
rb_cv_broken_crypt=no,
rb_cv_broken_crypt=yes,
rb_cv_broken_crypt=yes)])
if test "$rb_cv_broken_crypt" = yes; then
AC_DEFINE(BROKEN_CRYPT, 1)
fi
AC_CHECK_PROGS(codesign, codesign)
if test -n "$codesign"; then
POSTLINK="test -z '\$(RUBY_CODESIGN)' || $codesign -s '\$(RUBY_CODESIGN)' -f \$@"
LINK_SO="$LINK_SO
$POSTLINK"
fi
AC_CHECK_HEADERS(crt_externs.h, [], [], [
#include <crt_externs.h>
])
],
[hpux*], [ LIBS="-lm $LIBS"
ac_cv_c_inline=no],
[beos*|haiku*], [
ac_cv_func_link=no
ac_cv_func_sched_yield=no
ac_cv_func_pthread_attr_setinheritsched=no
AS_CASE(["$target_os"],
[beos*], [ ac_cv_header_net_socket_h=yes],
[haiku*], [ ac_cv_func_shutdown=no])
LIBS="$LIBS" # m lib is include in root under BeOS/Haiku
],
[cygwin*], [ ac_cv_header_langinfo_h=yes
AC_CHECK_FUNCS(cygwin_conv_path)
AC_LIBOBJ([langinfo])
],
[mingw*], [ LIBS="-lshell32 -lws2_32 -limagehlp -lshlwapi $LIBS"
ac_cv_header_a_out_h=no
ac_cv_header_pwd_h=no
ac_cv_header_utime_h=no
ac_cv_header_sys_ioctl_h=no
ac_cv_header_sys_param_h=no
ac_cv_header_sys_resource_h=no
ac_cv_header_sys_select_h=no
ac_cv_header_sys_time_h=no
ac_cv_header_sys_times_h=no
ac_cv_header_sys_socket_h=no
ac_cv_func_times=yes
ac_cv_func_waitpid=yes
ac_cv_func_fsync=yes
ac_cv_func_seekdir=yes
ac_cv_func_telldir=yes
ac_cv_func_isinf=yes
ac_cv_func_isnan=yes
ac_cv_func_finite=yes
ac_cv_func_link=yes
ac_cv_func_fseeko=yes
ac_cv_lib_crypt_crypt=no
ac_cv_func_getpgrp_void=no
ac_cv_func_memcmp_working=yes
ac_cv_lib_dl_dlopen=no
rb_cv_binary_elf=no
rb_cv_negative_time_t=no
ac_cv_func_fcntl=yes
ac_cv_func_flock=yes
ac_cv_func_gmtime_r=yes
rb_cv_large_fd_select=yes
AC_LIBOBJ([langinfo])
],
[os2-emx*], [ LIBS="-lm $LIBS"
ac_cv_lib_dir_opendir=no],
[bsdi*], [ LIBS="-lm $LIBS"
AC_DEFINE(BROKEN_SETREUID, 1)
AC_DEFINE(BROKEN_SETREGID, 1)
ac_cv_sizeof_rlim_t=8],
[freebsd*], [ LIBS="-lm $LIBS"
ac_cv_func_getpeername=no
ac_cv_func_getsockname=no
ac_cv_func_shutdown=no
ac_cv_func_close=no
],
[dragonfly*], [ LIBS="-lm $LIBS"
# isinf() and isnan() are macros on DragonFly.
ac_cv_func_isinf=yes
ac_cv_func_isnan=yes
],
[bow], [ ac_cv_func_setitimer=no
],
[superux*], [ ac_cv_func_setitimer=no
],
[nacl], [
LIBS="-lm $LIBS"
if test "${nacl_cv_build_variant}" = "newlib"; then
RUBY_APPEND_OPTION(CPPFLAGS, -DNACL_NEWLIB)
RUBY_APPEND_OPTION(LIBS, '-lnosys')
else
RUBY_APPEND_OPTION(XCFLAGS, -fPIC)
fi
ac_cv_func_shutdown=no
ac_cv_func_fcntl=no
],
[ LIBS="-lm $LIBS"])
dnl Checks for header files.
AC_HEADER_DIRENT
dnl AC_HEADER_STDC has been checked in AC_USE_SYSTEM_EXTENSIONS
AC_HEADER_STDBOOL
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(limits.h sys/file.h sys/ioctl.h sys/syscall.h\
fcntl.h sys/fcntl.h sys/select.h sys/time.h sys/times.h sys/param.h\
syscall.h pwd.h grp.h a.out.h utime.h direct.h sys/resource.h \
sys/mkdev.h sys/utime.h float.h ieeefp.h \
ucontext.h intrinsics.h langinfo.h locale.h sys/sendfile.h time.h \
net/socket.h sys/socket.h process.h sys/prctl.h)
dnl check for large file stuff
mv confdefs.h confdefs1.h
: > confdefs.h
AC_SYS_LARGEFILE
mv confdefs.h largefile.h
mv confdefs1.h confdefs.h
cat largefile.h >> confdefs.h
AS_CASE(["$target_os"],[mingw*], [ac_cv_type_off_t=yes;ac_cv_sizeof_off_t=8])
AC_C_BIGENDIAN
AC_C_CONST
AC_C_CHAR_UNSIGNED
AC_C_INLINE
AC_C_VOLATILE
AS_CASE(":$ac_cv_c_const:$ac_cv_c_volatile:",
[*:no:*], [AC_MSG_ERROR(ANSI C-conforming const and volatile are mandatory)])
AC_CHECK_TYPES([long long, off_t])
AC_CACHE_CHECK([char bit], [rb_cv_char_bit],
[test "$universal_binary" = yes && cross_compiling=yes
AC_COMPUTE_INT([rb_cv_char_bit], [CHAR_BIT],
[AC_INCLUDES_DEFAULT([@%:@include <limits.h>])], [rb_cv_char_bit=8])
test "$universal_binary" = yes && cross_compiling=$real_cross_compiling])
dnl RUBY_CHECK_SIZEOF [typename], [maybe same size types], [macros], [include]
AC_DEFUN([RUBY_CHECK_SIZEOF],
[m4_bmatch([$1], [\.], [], [if test "$universal_binary" = yes; then])
AC_CACHE_CHECK([size of $1], [AS_TR_SH([ac_cv_sizeof_$1])], [
unset AS_TR_SH(ac_cv_sizeof_$1)
rbcv_var="
typedef m4_bpatsubst([$1], [\..*]) ac__type_sizeof_;
static ac__type_sizeof_ *rbcv_ptr;
@%:@define AS_TR_CPP(SIZEOF_$1) sizeof((*rbcv_ptr)[]m4_bmatch([$1], [\.], .m4_bpatsubst([$1], [^[^.]*\.])))
"
m4_ifval([$2], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && {
for t in $2; do
AC_COMPILE_IFELSE(
[AC_LANG_BOOL_COMPILE_TRY(AC_INCLUDES_DEFAULT([$4]
[$rbcv_var]),
[AS_TR_CPP(SIZEOF_$1) == sizeof($t)])], [
AS_TR_SH(ac_cv_sizeof_$1)=AS_TR_CPP([SIZEOF_]$t)
break])
done
}])