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configure.in
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dnl Process this file with autoconf to produce a configure script.
dnl {
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]$2))])
AC_DEFUN([when], dnl [(] makes parentheses balanced.
dnl note that spaces after comma need to be quoted.
[[$*]][)])
dnl environment section {
AC_ARG_WITH(baseruby,
AS_HELP_STRING([--with-baseruby=RUBY], [ use RUBY as baseruby; RUBY is the pathname of ruby]),
[
case "$withval" in
when(*ruby*)
BASERUBY=$withval
;;
when(*)
AC_MSG_ERROR(need ruby)
;;
esac
],
[
BASERUBY="ruby"
])
test "`RUBYOPT=- $BASERUBY -e 'p 42' 2>/dev/null`" = 42 ||
BASERUBY="echo executable host ruby is required. use --with-baseruby option.; false"
AC_SUBST(BASERUBY)
AC_DEFUN([RUBY_MINGW32],
[case "$host_os" in
when(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*])
test "$rb_cv_mingw32" = yes && target_os="mingw32"
;;
esac])
AC_DEFUN([RUBY_CPPOUTFILE],
[AC_CACHE_CHECK(whether ${CPP} accepts -o, rb_cv_cppoutfile,
[cppflags=$CPPFLAGS
CPPFLAGS='-o conftest.i'
AC_TRY_CPP([], rb_cv_cppoutfile=yes, rb_cv_cppoutfile=no)
CPPFLAGS=$cppflags
rm -f conftest*])
if test "$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_VERSION_\([A-Z][A-Z_0-9]*\) \([0-9][0-9]*\)/\1=\2/p' $srcdir/version.h`
for v in MAJOR MINOR TEENY; do
if eval "test \"\$$v\" = ''"; then
AC_MSG_ERROR(could not determine $v number from version.h)
fi
done
AC_SUBST(MAJOR)
AC_SUBST(MINOR)
AC_SUBST(TEENY)
if test "$MAJOR" = "1"; then
AC_DEFINE(CANONICALIZATION_FOR_MATHN)
fi
dnl checks for alternative programs
AC_ARG_WITH(gcc,
AS_HELP_STRING([--without-gcc], [never use gcc]),
[
case $withval in
when(no)
: ${CC=cc}
;;
when(yes)
: ${CC=gcc}
;;
when(*)
CC=$withval
;;
esac])
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 $cache_file
(it is also a good idea to do 'make clean' before compiling))
fi
if test "$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_CANONICAL_TARGET
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],
[case " [$]{$1-} " in # RUBY_APPEND_OPTION($1, $2)
when(*' $2 '*);; when(' ') $1="$2";; when(*) $1="[$]$1 $2";;
esac])
AC_DEFUN([RUBY_APPEND_OPTIONS],
[{ for rb_opt in $2; do # RUBY_APPEND_OPTIONS($1, $2)
case " [$]{$1-} " in
when(*" [$]{rb_opt} "*);; when(' ') $1="[$]{rb_opt}";; when(*) $1="[$]$1 [$]{rb_opt}";;
esac
done; }])
AC_DEFUN([RUBY_PREPEND_OPTION],
[case " [$]{$1-} " in # RUBY_PREPEND_OPTION($1, $2)
when(*' $2 '*);; when(' ') $1="$2";; when(*) $1="$2 [$]$1";;
esac])
AC_DEFUN([RUBY_PREPEND_OPTIONS],
[{ unset rb_opts; for rb_opt in $2; do # RUBY_PREPEND_OPTIONS($1, $2)
case " [$]{rb_opts} [$]{$1-} " in
when(*" [$]{rb_opt} "*);; when(' ') $1="[$]{rb_opt}";; when(*) rb_opts="[$]{rb_opts}[$]{rb_opt} ";;
esac
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])
test ${CFLAGS+set} && CFLAGS=`echo "$CFLAGS" | sed 's/ *-arch *[^ ]*//g'`
test ${LDFLAGS+set} && LDFLAGS=`echo "$LDFLAGS" | sed 's/ *-arch *[^ ]*//g'`
unset ARCH_FLAG 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 $target_archs
do
case ",$universal_binary," in
when(*",$archs,"*)
;;
when(*)
cpu=`$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 $archs"
;;
esac
done
target_archs="$universal_binary"
unset universal_binary
case "$target_archs" in
when(*,*) universal_binary=yes;;
when(*) unset universal_archnames;;
esac
AC_MSG_RESULT([$target_archs])
if test "${universal_binary-no}" = yes; then
RUBY_PREREQ_AC(2.63, [ to compile universal binary])
AC_SUBST(try_header,try_compile)
target=`echo $target | sed "s/^$target_cpu-/universal-/"`
target_alias=`echo $target_alias | sed "s/^$target_cpu-/universal-/"`
target_cpu=universal
else
target=`echo $target | sed "s/^$target_cpu-/${target_archs}-/"`
target_alias=`echo $target_alias | sed "s/^$target_cpu-/${target_archs}-/"`
target_cpu=${target_archs}
fi
CFLAGS="$CFLAGS ${ARCH_FLAG}"
LDFLAGS="${LDFLAGS+$LDFLAGS }${ARCH_FLAG}"
else
target_archs="$target_cpu"
fi
case $target_cpu in
when(i?86) frame_address=yes;;
when(*) frame_address=no;;
esac
AC_ARG_ENABLE(frame-address,
AS_HELP_STRING([--enable-frame-address], [use GCC __builtin_frame_address()]),
[frame_address=$enableval])
if test $frame_address = yes; then
AC_DEFINE(USE_BUILTIN_FRAME_ADDRESS)
fi
AC_ARG_ENABLE(load-relative,
AS_HELP_STRING([--enable-load-relative], [resolve load paths at run time]),
[load_relative=$enableval])
AC_ARG_PROGRAM
dnl Checks for programs.
if test -z "${CFLAGS+set}"; then
orig_cflags="$cflags"
cflags="$cflags "'${optflags} ${debugflags} ${warnflags}'
fi
if test -z "${CXXFLAGS+set}"; then
orig_cxxflags="$cxxflags"
cxxflags="$cxxflags "'${optflags} ${debugflags} ${warnflags}'
fi
if test x"${build}" != x"${host}"; then
AC_CHECK_TOOL(CC, gcc)
fi
AC_PROG_CC
AC_PROG_CXX
AC_PROG_GCC_TRADITIONAL
test $ac_cv_prog_cc_g = yes && : ${debugflags=-g}
if test "$GCC" = yes; then
linker_flag=-Wl,
: ${optflags=-O3}
else
linker_flag=
fi
RUBY_PROG_GNU_LD
RUBY_CPPOUTFILE
: ${OUTFLAG='-o '}
: ${COUTFLAG=${OUTFLAG}}
AC_SUBST(OUTFLAG)
AC_SUBST(COUTFLAG)
RUBY_MINGW32
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)
case "$target_os" in
when(cygwin*|mingw*|darwin*)
ac_cv_prog_ac_ct_OBJCOPY=":";;
esac
# BSD's ports and MacPorts prefix GNU binutils with 'g'
AC_CHECK_TOOLS(OBJDUMP, [objdump gobjdump])
AC_CHECK_TOOLS(OBJCOPY, [objcopy gobjcopy])
case "$target_os" in
when(cygwin*|mingw*)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(WINDRES, windres)
AC_CHECK_TOOL(DLLWRAP, dllwrap)
target_cpu=`echo $target_cpu | sed s/i.86/i386/`
case "$target_os" in
when(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])
esac
: ${enable_shared=yes}
;;
when(aix*)
AC_CHECK_TOOL(NM, nm, /usr/ccs/bin/nm, /usr/ccs/bin:$PATH)
;;
when(hiuxmpp*)
# by TOYODA Eizi <[email protected]>
AC_DEFINE(__HIUX_MPP__)
;;
esac
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_CHECK_TOOL(DOT, dot)
AC_CHECK_TOOL(DOXYGEN, doxygen)
# checks for UNIX variants that set C preprocessor variables
AC_USE_SYSTEM_EXTENSIONS
AC_SUBST(RM, ['rm -f'])
AC_SUBST(CP, ['cp'])
if $as_mkdir_p; then
MAKEDIRS='mkdir -p'
else
MAKEDIRS='install -d'
fi
AC_SUBST(MAKEDIRS)
AC_SUBST(RMDIRS, ['$(top_srcdir)/tool/rmdirs'])
AC_SUBST(RMALL, ['rm -fr'])
AC_MSG_CHECKING([for cd using phisical directory])
rm -fr conf$$.dir
mkdir conf$$.dir &&
(cd conf$$.dir && mkdir src build && cd src &&
$as_ln_s ../build . > /dev/null 2>&1 && cd build &&
for chdir in 'cd -P' 'PWD= cd'; do
/bin/sh -c "$chdir ../src && echo '$chdir' > cdcmd" 2> /dev/null && break
done)
if test -e conf$$.dir/src/cdcmd; then
read CHDIR < conf$$.dir/src/cdcmd 2> /dev/null
else
CHDIR=cd
fi
rm -fr conf$$.dir
AC_MSG_RESULT([$CHDIR])
AC_SUBST(CHDIR)
dnl }
dnl compiler section {
if test "$GCC:${warnflags+set}:no" = yes::no; then
save_CFLAGS="$CFLAGS"
for wflag in -Wno-missing-field-initializers -Wshorten-64-to-32; do
CFLAGS="$CFLAGS $wflag"
AC_MSG_CHECKING([whether $wflag is accepted])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
[warnflags="${warnflags+$warnflags }$wflag"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
done
CFLAGS="$save_CFLAGS"
unset save_CFLAGS
warnflags="-Wall -Wno-unused-parameter -Wno-parentheses ${warnflags+$warnflags }-Wpointer-arith -Wwrite-strings"
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 $ARCH_FLAG\""
dnl check for large file stuff
mv confdefs.h confdefs1.h
: > confdefs.h
AC_SYS_LARGEFILE
mv confdefs.h largefile.h
mv confdefs1.h confdefs.h
cat largefile.h >> confdefs.h
case "$target_os" in
when(mingw*)
ac_cv_type_off_t=yes
ac_cv_sizeof_off_t=8
;;
esac
AC_CHECK_TYPES([long long, off_t])
AC_CACHE_CHECK([char bit], [rb_cv_char_bit],
[_AC_COMPUTE_INT_COMPILE([CHAR_BIT], [rb_cv_char_bit],
[AC_INCLUDES_DEFAULT([@%:@include <limits.h>])], [rb_cv_char_bit=8])])
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
}])
unset cond
m4_ifval([$3], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && {
for s in 32 64 128; do
for t in $3; do
cond="${cond}
@%:@${cond+el}if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})"
hdr="AC_INCLUDES_DEFAULT([$4
@%:@if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})
@%:@ define AS_TR_CPP(HAVE_$1) 1
@%:@else
@%:@ define AS_TR_CPP(HAVE_$1) 0
@%:@endif])"
AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr], [!AS_TR_CPP(HAVE_$1)])], [continue])
AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr]
[$rbcv_var],
[AS_TR_CPP(HAVE_$1) == (AS_TR_CPP(SIZEOF_$1) == ([$[s / rb_cv_char_bit]]))])],
[AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}${s}"])
done
done
}])
m4_ifval([$2][$3], [case "${AS_TR_SH(ac_cv_sizeof_$1)}" in
when([SIZEOF_*]);;
when(*)])
_AC_COMPUTE_INT_COMPILE(AS_TR_CPP(SIZEOF_$1), [t], [AC_INCLUDES_DEFAULT([$4])]
[${cond+$cond
@%:@else}
$rbcv_var
${cond+@%:@endif}
@%:@ifndef AS_TR_CPP(SIZEOF_$1)
@%:@define AS_TR_CPP(SIZEOF_$1) 0
@%:@endif], [unset t])
if test ${t-0} != 0; then
AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}"
fi
m4_ifval([$2][$3], [;; esac])
: ${AS_TR_SH(ac_cv_sizeof_$1)=0}
])
{
unset cond
for t in ${AS_TR_SH(ac_cv_sizeof_$1)-}; do
case "$t" in
when([[0-9]*|SIZEOF_*])
${cond+echo "@%:@else"}
echo "[@%:@define ]AS_TR_CPP(SIZEOF_$1) [$t]"
break
;;
when([*])
s=`expr $t : ['.*[^0-9]\([0-9][0-9]*\)$']`
echo "@%:@${cond+el}if defined(__${t}__) || defined(__${t}) || defined(_${t}) || defined($t)"
echo "@%:@define AS_TR_CPP(SIZEOF_$1) [$[s / rb_cv_char_bit]]"
cond=1
;;
esac
done
${cond+echo "@%:@endif"}
} >> confdefs.h
m4_bmatch([$1], [\.], [], [else
AC_CHECK_SIZEOF([$1], 0, [$4])
fi])
])
RUBY_CHECK_SIZEOF(int, [], [ILP])
RUBY_CHECK_SIZEOF(short)
RUBY_CHECK_SIZEOF(long, [int], [ILP LP])
RUBY_CHECK_SIZEOF(long long)
RUBY_CHECK_SIZEOF(__int64)
RUBY_CHECK_SIZEOF(off_t)
RUBY_CHECK_SIZEOF(void*, [int long "long long"], [ILP LP LLP])
RUBY_CHECK_SIZEOF(float)
RUBY_CHECK_SIZEOF(double)
RUBY_CHECK_SIZEOF(time_t, [long "long long"], [], [@%:@include <time.h>])
dnl RUBY_REPLACE_TYPE [typename] [default type] [macro type] [included]
AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
AC_CHECK_TYPE([$1], [n=[$1]], [n=[$2]], [$4])
AC_CACHE_CHECK([for convertible type of [$1]], rb_cv_[$1]_convertible, [
u= t=
case "$n " in
when(*" signed "*) ;;
when(*" unsigned "*)
u=U;;
when(*)
AC_COMPILE_IFELSE(
[AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])], [($n)-1 > 0])],
[u=U]);;
esac
if test x"$t" = x; then
for t in "long long" long int short; do
test -n "$u" && t="unsigned $t"
AC_COMPILE_IFELSE(
[AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([$4])]
[typedef $n rbcv_conftest_target_type;
typedef $t rbcv_conftest_replace_type;
extern rbcv_conftest_target_type rbcv_conftest_var;
extern rbcv_conftest_replace_type rbcv_conftest_var;
extern rbcv_conftest_target_type rbcv_conftest_func(void);
extern rbcv_conftest_replace_type rbcv_conftest_func(void);
], [sizeof(rbcv_conftest_target_type) == sizeof(rbcv_conftest_replace_type)])],
[n="$t"; break])
done
fi
case " $n " in
when(*" long long "*)
t=LL;;
when(*" long "*)
t=LONG;;
when(*)
t=INT;;
esac
rb_cv_[$1]_convertible=${u}${t}])
m4_ifval([$2], AC_DEFINE_UNQUOTED(rb_[$1], $n))
AC_DEFINE_UNQUOTED([$3]2NUM[(v)], [${rb_cv_[$1]_convertible}2NUM(v)])
AC_DEFINE_UNQUOTED(NUM2[$3][(v)], [NUM2${rb_cv_[$1]_convertible}(v)])
AC_DEFINE_UNQUOTED(PRI_[$3]_PREFIX,
["`echo ${rb_cv_[$1]_convertible} | sed ['s/^U//;s/[^L].*//;y/L/l/']`"])
])
RUBY_REPLACE_TYPE(pid_t, int, PIDT)
RUBY_REPLACE_TYPE(uid_t, int, UIDT)
RUBY_REPLACE_TYPE(gid_t, int, GIDT)
RUBY_REPLACE_TYPE(time_t, [], TIMET, [@%:@include <time.h>])
AC_CACHE_CHECK(for prototypes, rb_cv_have_prototypes,
[AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
rb_cv_have_prototypes=yes,
rb_cv_have_prototypes=no)])
if test "$rb_cv_have_prototypes" = yes; then
AC_DEFINE(HAVE_PROTOTYPES)
fi
AC_CACHE_CHECK(token paste string, rb_cv_tokenpaste,
[AC_TRY_COMPILE([#define paste(a,b) a##b],
[int xy = 1; return paste(x,y);],
rb_cv_tokenpaste=ansi,
rb_cv_tokenpaste=knr)])
if test "$rb_cv_tokenpaste" = ansi; then
AC_DEFINE(TOKEN_PASTE(x,y),[x##y])
else
AC_DEFINE(TOKEN_PASTE(x,y),[x/**/y])
fi
AC_CACHE_CHECK(stringization, rb_cv_stringization, [
rb_cv_stringization=no
for string in "#expr" '"expr"'; do
AC_COMPILE_IFELSE([
AC_LANG_BOOL_COMPILE_TRY([
#define STRINGIZE0(expr) $string
#define STRINGIZE(expr) STRINGIZE0(expr)
#undef real_test_for_stringization
#define test_for_stringization -.real_test_for_stringization.-
const char stringized[[]] = STRINGIZE(test_for_stringization);
], [sizeof(stringized) == 32])],
[rb_cv_stringization="$string"; break],
[rb_cv_stringization=no])
done]
)
AC_DEFINE(STRINGIZE(expr),STRINGIZE0(expr))
if test x"$rb_cv_stringization" != xno -a "$rb_cv_stringization" != "#expr"; then
AC_DEFINE_UNQUOTED(STRINGIZE0(expr),$rb_cv_stringization)
AC_DEFINE(OLD_FASHIONED_STRINGIZATION,1)
fi
AC_CACHE_CHECK([string literal concatenation],
rb_cv_string_literal_concatenation, [
AC_COMPILE_IFELSE([
AC_LANG_BOOL_COMPILE_TRY([
const char concatenated_literal[[]] = "literals" "to"
"be" "concatenated.";
], [sizeof(concatenated_literal) == 26])],
[rb_cv_string_literal_concatenation=yes],
[rb_cv_string_literal_concatenation=no])]
)
if test "$rb_cv_string_literal_concatenation" = no; then
AC_DEFINE(NO_STRING_LITERAL_CONCATENATION,1)
fi
AC_CACHE_CHECK(for variable length prototypes and stdarg.h, rb_cv_stdarg,
[AC_TRY_COMPILE([
#include <stdarg.h>
int foo(int x, ...) {
va_list va;
va_start(va, x);
va_arg(va, int);
va_arg(va, char *);
va_arg(va, double);
return 0;
}
], [return foo(10, "", 3.14);],
rb_cv_stdarg=yes,
rb_cv_stdarg=no)])
if test "$rb_cv_stdarg" = yes; then
AC_DEFINE(HAVE_STDARG_PROTOTYPES)
fi
AC_CACHE_CHECK(for variable length macro, rb_cv_va_args_macro,
[AC_TRY_COMPILE([@%:@define FOO(a, ...) foo(a, @%:@@%:@__VA_ARGS__)],
[FOO(1);FOO(1,2);FOO(1,2,3);],
rb_cv_va_args_macro=yes,
rb_cv_va_args_macro=no)])
if test "$rb_cv_va_args_macro" = yes; then
AC_DEFINE(HAVE_VA_ARGS_MACRO)
fi
AC_DEFUN([RUBY_DEFINE_IF], [dnl
m4_ifval([$1],[test "$1" && cat <<EOH >> confdefs.h
@%:@if $1
EOH
])dnl
AC_DEFINE_UNQUOTED($2, $3)
m4_ifval([$1],[test "$1" && cat <<EOH >> confdefs.h
@%:@endif /* $1 */
EOH
])dnl
])dnl
AC_DEFUN([RUBY_FUNC_ATTRIBUTE], [dnl
m4_ifval([$2], dnl
[AS_VAR_PUSHDEF([attrib],[$2])], dnl
[AS_VAR_PUSHDEF([attrib],[FUNC_]AS_TR_CPP($1))] dnl
)dnl
m4_ifval([$3], dnl
[AS_VAR_PUSHDEF([rbcv],[$3])], dnl
[AS_VAR_PUSHDEF([rbcv],[rb_cv_func_][$1])]dnl
)dnl
m4_ifval([$4], [rbcv_cond=[$4]; test "$rbcv_cond" || unset rbcv_cond])
AC_CACHE_CHECK(for [$1] function attribute, rbcv,
[rbcv=x
if test "${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
for mac in "__attribute__ (($1)) x" "x __attribute__ (($1))" "__declspec($1) x" x; do
m4_ifval([$4],mac="$mac"${rbcv_cond+" /* only if $rbcv_cond */"})
AC_TRY_COMPILE(
m4_ifval([$4],${rbcv_cond+[@%:@if ]$rbcv_cond})
[@%:@define ]attrib[(x) $mac]
m4_ifval([$4],${rbcv_cond+[@%:@else]}
${rbcv_cond+[@%:@define ]attrib[(x) x]}
${rbcv_cond+[@%:@endif]})
attrib[(void conftest_attribute_check(void));], [],
[rbcv="$mac"; break])
done
if test "${rb_c_werror_flag+set}"; then
ac_c_werror_flag="$rb_c_werror_flag"
else
unset ac_c_werror_flag
fi
])
if test "$rbcv" != x; then
RUBY_DEFINE_IF([${rbcv_cond}], attrib[(x)], $rbcv)
fi
AS_VAR_POPDEF([attrib])
AS_VAR_POPDEF([rbcv])
])
RUBY_FUNC_ATTRIBUTE(noreturn, NORETURN)
RUBY_FUNC_ATTRIBUTE(deprecated, DEPRECATED)
RUBY_FUNC_ATTRIBUTE(noinline, NOINLINE)
if_i386=${universal_binary+[defined __i386__]}
RUBY_FUNC_ATTRIBUTE(stdcall, [], [], ${if_i386})
RUBY_FUNC_ATTRIBUTE(cdecl, [], [], ${if_i386})
RUBY_FUNC_ATTRIBUTE(fastcall, [], [], ${if_i386})
if test "$GCC" = yes; then
AC_CACHE_CHECK([for function alias], [rb_cv_gcc_function_alias],
[rb_cv_gcc_function_alias=no
for a in alias weak,alias; do
AC_TRY_LINK([void foo(void) {}
void bar(void) __attribute__(($a("foo")));], [bar()],
[rb_cv_gcc_function_alias=$a; break])
done])
if test "$rb_cv_gcc_function_alias" != no; then
AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_TYPE(type, prot, name, args)],
[type prot __attribute__(($rb_cv_gcc_function_alias(@%:@name)));])
AC_DEFINE_UNQUOTED([RUBY_ALIAS_FUNCTION_VOID(prot, name, args)],
[RUBY_ALIAS_FUNCTION_TYPE(void, prot, name, args)])
fi
fi
AC_CACHE_CHECK([for RUBY_EXTERN], rb_cv_ruby_extern,
[rb_cv_ruby_extern=no
for mac in "__attribute__((dllimport))" "__declspec(dllimport)"; do
AC_TRY_COMPILE(
[extern $mac void conftest(void);],
[rb_cv_ruby_extern="extern $mac"; break])
done])
test "x$rb_cv_ruby_extern" = xno || AC_DEFINE_UNQUOTED(RUBY_EXTERN, $rb_cv_ruby_extern)
RUBY_APPEND_OPTION(XCFLAGS, -DRUBY_EXPORT)
dnl }
dnl header and library section {
dnl Check whether we need to define sys_nerr locally
AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default
#include <errno.h>])
AC_ARG_ENABLE(win95,
AS_HELP_STRING([--enable-win95], [enable Windows 95 series support]),
[case "$enableval" in
when(yes|no) enable_win95=$enableval;;
when(*) unset enable_win95;;
esac])
case "$target_os" in
when(freebsd*)
AC_CACHE_CHECK([whether pthread should be enabled by default],
rb_cv_enable_pthread_default,
[AC_TRY_CPP([
#include <osreldate.h>
#if __FreeBSD_version < 502102
#error pthread should be disabled on this platform
#endif
],
rb_cv_enable_pthread_default=yes,
rb_cv_enable_pthread_default=no)])
enable_pthread_default=$rb_cv_enable_pthread_default
;;
when(mingw*)
enable_pthread_default=no
;;
when(*)
enable_pthread_default=yes
;;
esac
AC_ARG_ENABLE(pthread,
AS_HELP_STRING([--enable-pthread], [use pthread library]),
[enable_pthread=$enableval], [enable_pthread=$enable_pthread_default])
dnl Checks for libraries.
case "$target_os" in
when(*bsd*|dragonfly*)
;;
when(*)
ac_cv_func_daemon=no
;;
esac
case "$target_os" in
when(nextstep*) ;;
when(openstep*) ;;
when(rhapsody*) ;;
when(darwin*) RUBY_PREPEND_OPTION(LIBS, -lobjc)
RUBY_APPEND_OPTIONS(CPPFLAGS, -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE)
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 $macosx_10_5 = yes; then
ac_cv_header_ucontext_h=no
else
AC_DEFINE(BROKEN_SETREUID, 1)
AC_DEFINE(BROKEN_SETREGID, 1)
fi
ac_cv_type_getgroups=gid_t # getgroups() on Rosetta fills garbage
ac_cv_lib_crypt_crypt=no
AC_CACHE_CHECK(for broken crypt with 8bit chars, rb_cv_broken_crypt,
[AC_TRY_RUN([
#include <stdio.h>
#include <unistd.h>
#include <string.h>
int
main()
{
char buf[256];
strcpy(buf, crypt("", "\xE0\xA0"));
return strcmp(buf, crypt("", "\xE0\xA0"));
}
],
rb_cv_broken_crypt=no,
rb_cv_broken_crypt=yes,
rb_cv_broken_crypt=yes)])
if test "$rb_cv_broken_crypt" = yes; then
AC_DEFINE(BROKEN_CRYPT, 1)
fi
;;
when(hpux*) LIBS="-lm $LIBS"
ac_cv_c_inline=no;;
when(human*) ac_cv_func_getpgrp_void=yes
ac_cv_func_setitimer=no
AC_CHECK_LIB(signal, _harderr)
AC_CHECK_LIB(hmem, hmemset)
AC_CHECK_FUNCS(select)
AC_CACHE_CHECK(whether PD libc _dtos18 fail to convert big number,
rb_cv_missing__dtos18,
[AC_TRY_RUN([
#include <stdio.h>
int
main()
{
char buf[256];
sprintf(buf, "%g", 1e+300);
return (strcmp (buf, "1e+300") ? 0 : 1);
}
],
rb_cv_missing__dtos18=yes, rb_cv_missing__dtos18=no, rb_cv_missing__dtos18=no)])
if test "$rb_cv_missing__dtos18" = yes; then
AC_DEFINE(MISSING__DTOS18)
fi
AC_CACHE_CHECK(whether PD libc fconvert fail to round,
rb_cv_missing_fconvert,
[AC_TRY_RUN([
#include <stdio.h>
#include <math.h>
int
main()
{
char buf[256];
sprintf(buf, "%f", log(exp(1.0)));
return (strcmp (buf, "1.000000") ? 0 : 1);
}
],
rb_cv_missing_fconvert=yes, rb_cv_missing_fconvert=no, rb_cv_missing_fconvert=no)])
if test "$rb_cv_missing_fconvert" = yes; then
AC_DEFINE(MISSING_FCONVERT)
fi
;;
when(beos*|haiku*)
ac_cv_func_link=no
ac_cv_func_sched_yield=no
ac_cv_func_pthread_attr_setinheritsched=no
case "$target_os" in
when(beos*) ac_cv_header_net_socket_h=yes;;
when(haiku*) ac_cv_func_shutdown=no;;
esac
LIBS="$LIBS" # m lib is include in root under BeOS/Haiku
;;
when(cygwin*) ac_cv_header_langinfo_h=yes
AC_LIBOBJ([langinfo])
;;
when(mingw*) LIBS="-lshell32 -lws2_32 $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_truncate=yes
ac_cv_func_fseeko=yes
ac_cv_func_ftello=yes
ac_cv_lib_crypt_crypt=no
ac_cv_func_getpgrp_void=no
ac_cv_func_setpgrp_void=yes
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_LIBOBJ([langinfo])
: ${enable_win95=maybe}
;;
when(os2-emx*) LIBS="-lm $LIBS"
ac_cv_lib_dir_opendir=no;;
when(msdosdjgpp*)
LIBS="-lm $LIBS"
ac_cv_func_getpgrp_void=yes
ac_cv_func_setitimer=no
ac_cv_sizeof_rlim_t=4
ac_cv_func_fork=no
ac_cv_func_setrlimit=no
ac_cv_header_sys_socket_h=no
;;
when(bsdi*) LIBS="-lm $LIBS"
AC_DEFINE(BROKEN_SETREUID, 1)
AC_DEFINE(BROKEN_SETREGID, 1)
ac_cv_sizeof_rlim_t=8;;
when(freebsd*) LIBS="-lm $LIBS"
;;
when(dragonfly*) LIBS="-lm $LIBS"
;;
when(bow) ac_cv_func_setitimer=no
;;
when(superux*) ac_cv_func_setitimer=no
;;
when(*) LIBS="-lm $LIBS";;
esac
AC_CHECK_LIB(crypt, crypt)
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
AC_CHECK_LIB(socket, socketpair) # SunOS/Solaris
AC_CHECK_LIB(rt, clock_gettime) # GNU/Linux
if test "${enable_win95}" = maybe; then
AC_HAVE_LIBRARY(unicows, [enable_win95=yes], [enable_win95=no])
fi
if test "${enable_win95}" = yes; then
AC_DEFINE(WIN95)
LIBS="-lunicows $LIBS"
fi
case "$target_cpu" in
when(alpha*) case "$target_os"::"$GCC" in
when(*::yes) CFLAGS="-mieee $CFLAGS" ;; # gcc
when(osf*) CFLAGS="-ieee $CFLAGS" ;; # ccc
esac ;;
esac
ac_cv_header_net_socket_h=${ac_cv_header_net_socket_h=no}
if test "$ac_cv_header_net_socket_h" = yes; then
ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=no}
else
ac_cv_header_sys_socket_h=${ac_cv_header_sys_socket_h=yes}
fi
dnl Checks for header files.
AC_HEADER_DIRENT
dnl AC_HEADER_STDC has been checked in AC_USE_SYSTEM_EXTENSIONS
AC_HEADER_STDBOOL
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(limits.h sys/file.h sys/ioctl.h sys/syscall.h\
fcntl.h sys/fcntl.h sys/select.h sys/time.h sys/times.h sys/param.h\
syscall.h pwd.h grp.h a.out.h utime.h direct.h sys/resource.h \
sys/mkdev.h sys/utime.h xti.h netinet/in_systm.h float.h ieeefp.h \
ucontext.h intrinsics.h langinfo.h locale.h sys/sendfile.h time.h \
net/socket.h sys/socket.h)
dnl Check additional types.
RUBY_CHECK_SIZEOF(rlim_t, [int long "long long"], [], [
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdio.h>
])
AC_TYPE_SIZE_T
RUBY_CHECK_SIZEOF(size_t, [int long void*], [], [@%:@include <sys/types.h>])
RUBY_CHECK_SIZEOF(ptrdiff_t, size_t, [], [@%:@include <stddef.h>])
AC_STRUCT_ST_BLKSIZE
AC_STRUCT_ST_BLOCKS
AC_STRUCT_ST_RDEV
RUBY_CHECK_SIZEOF([struct stat.st_size], [int long "long long"])
if test "$ac_cv_member_struct_stat_st_blocks" = yes; then
RUBY_CHECK_SIZEOF([struct stat.st_blocks], [int long "long long"])
fi
AC_CHECK_MEMBERS([struct stat.st_atim])
AC_CHECK_MEMBERS([struct stat.st_atimespec])
AC_CHECK_MEMBERS([struct stat.st_atimensec])
AC_CHECK_MEMBERS([struct stat.st_mtim])
AC_CHECK_MEMBERS([struct stat.st_mtimespec])
AC_CHECK_MEMBERS([struct stat.st_mtimensec])
AC_CHECK_MEMBERS([struct stat.st_ctim])
AC_CHECK_MEMBERS([struct stat.st_ctimespec])
AC_CHECK_MEMBERS([struct stat.st_ctimensec])
AC_CHECK_TYPES([struct timespec], [], [], [@%:@ifdef HAVE_TIME_H
@%:@include <time.h>
@%:@endif])
AC_CHECK_TYPE(fd_mask, [AC_DEFINE(HAVE_RB_FD_INIT, 1)])
dnl RUBY_DEFINT TYPENAME, SIZE, [SIGNED-OR-UNSIGNED], [INCLUDES = DEFAULT-INCLUDES]
AC_DEFUN([RUBY_DEFINT], [dnl
AC_CACHE_CHECK([for $1], [rb_cv_type_$1],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT([$4])
typedef $1 t; int s = sizeof(t) == 42;])],
[rb_cv_type_$1=yes],
[case m4_bmatch([$2], [^[1-9][0-9]*$], $2, [$ac_cv_sizeof_]AS_TR_SH($2)) in
when("1") rb_cv_type_$1="m4_if([$3], [], [signed ], [$3 ])char";;
when("$ac_cv_sizeof_short") rb_cv_type_$1="m4_if([$3], [], [], [$3 ])short";;
when("$ac_cv_sizeof_int") rb_cv_type_$1="m4_if([$3], [], [], [$3 ])int";;
when("$ac_cv_sizeof_long") rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long";;
when("$ac_cv_sizeof_long_long") rb_cv_type_$1="m4_if([$3], [], [], [$3 ])long long";;
when("$ac_cv_sizeof___int64") rb_cv_type_$1="m4_if([$3], [], [], [$3 ])__int64";;
when(*) rb_cv_type_$1=no;;
esac])])
if test "${rb_cv_type_$1}" != no; then
AC_DEFINE([HAVE_]AS_TR_CPP($1), 1)
if test "${rb_cv_type_$1}" = yes; then