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* configure.in (RUBY_CHECK_SIZEOF): dirty hack to compute multiple
sizeof, for apple's universal binary. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22820 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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2 changed files with 84 additions and 20 deletions
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@ -1,3 +1,8 @@
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Sun Mar 8 11:39:57 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* configure.in (RUBY_CHECK_SIZEOF): dirty hack to compute multiple
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sizeof, for apple's universal binary.
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Sat Mar 7 22:06:03 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* configure.in (universal_binary): checks if sizes are same on all
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99
configure.in
99
configure.in
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@ -10,7 +10,7 @@ AC_DEFUN([RUBY_PREREQ_AC],
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AC_DEFUN([when], dnl [(] makes parentheses balanced.
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dnl note that spaces after comma need to be quoted.
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[$*][)])
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[[$*]][)])
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dnl environment section {
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@ -333,30 +333,89 @@ esac
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AC_CHECK_TYPES([long long, off_t])
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AC_CHECK_SIZEOF(int, 4)
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AC_CHECK_SIZEOF(short, 2)
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AC_CHECK_SIZEOF(long, 4)
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AC_CHECK_SIZEOF(long long, 0)
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AC_CHECK_SIZEOF(__int64, 0)
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AC_CHECK_SIZEOF(off_t, 0)
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AC_CHECK_SIZEOF(void*, 4)
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AC_CHECK_SIZEOF(float, 4)
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AC_CHECK_SIZEOF(double, 8)
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AC_CHECK_SIZEOF(time_t, 0)
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AC_CACHE_CHECK([char bit], [rb_cv_char_bit],
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[_AC_COMPUTE_INT_COMPILE([CHAR_BIT], [rb_cv_char_bit],
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[AC_INCLUDES_DEFAULT([@%:@include <limits.h>])], [rb_cv_char_bit=8])])
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if test "$universal_binary" = yes; then
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for type in int long "long long" "void*" time_t; do
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eval size='$ac_cv_sizeof_'AS_TR_SH($type)
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if test $size = 0; then continue; fi
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AC_DEFUN([RUBY_CHECK_SIZEOF],
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[if test "$universal_binary" = yes; then
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AC_CACHE_CHECK([size of $1], [AS_TR_SH([ac_cv_sizeof_$1])], [dnl
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unset AS_TR_SH(ac_cv_sizeof_$1)
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m4_ifval([$2], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && {
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for t in $2; do
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AC_COMPILE_IFELSE(
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[AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT],
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[sizeof($type) == $size])], [], [size=0])
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if test $size = 0; then
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dnl try with __LP64__
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AC_MSG_ERROR([size of $type is unknown])
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fi
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[sizeof($1) == sizeof($t)])], [
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AS_TR_SH(ac_cv_sizeof_$1)=AS_TR_CPP([SIZEOF_]$t)
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break])
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done
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}])
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m4_ifval([$3], [test -z "${AS_TR_SH(ac_cv_sizeof_$1)+set}" && {
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unset cond
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for s in 32 64 128; do
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for t in $3; do
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cond="${cond}
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@%:@${cond+el}if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})"
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hdr="AC_INCLUDES_DEFAULT([
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@%:@if defined(__${t}${s}__) || defined(__${t}${s}) || defined(_${t}${s}) || defined(${t}${s})
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@%:@ define AS_TR_CPP(HAVE_$1) 1
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@%:@else
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@%:@ define AS_TR_CPP(HAVE_$1) 0
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@%:@endif])"
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AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr], [!AS_TR_CPP(HAVE_$1)])], [continue])
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AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([$hdr],
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[AS_TR_CPP(HAVE_$1) == (sizeof($1) == ([$[s / rb_cv_char_bit]]))])],
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[AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}${s}"])
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done
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done
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}])
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_AC_COMPUTE_INT_COMPILE(AS_TR_CPP(SIZEOF_$1), [t], [AC_INCLUDES_DEFAULT([
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$cond
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@%:@else
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typedef $1 ac__type_sizeof_;
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@%:@define AS_TR_CPP(SIZEOF_$1) sizeof(ac__type_sizeof_)
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@%:@endif
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@%:@ifndef AS_TR_CPP(SIZEOF_$1)
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@%:@define AS_TR_CPP(SIZEOF_$1) 0
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@%:@endif])], [unset t])
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if test ${t-0} != 0; then
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AS_TR_SH(ac_cv_sizeof_$1)="${AS_TR_SH(ac_cv_sizeof_$1)+${AS_TR_SH(ac_cv_sizeof_$1)-} }${t}"
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fi
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])
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{
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unset cond
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for t in ${AS_TR_SH(ac_cv_sizeof_$1)-}; do
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case "$t" in
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when([[0-9]*|SIZEOF_*])
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${cond+echo "@%:@else"}
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echo "[@%:@define ]AS_TR_CPP(SIZEOF_$1) [$t]"
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break
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;;
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when([*])
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s=`expr $t : ['.*[^0-9]\([0-9][0-9]*\)$']`
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echo "@%:@${cond+el}if defined(__${t}__) || defined(__${t}) || defined(_${t}) || defined($t)"
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echo "@%:@define AS_TR_CPP(SIZEOF_$1) [$[s / rb_cv_char_bit]]"
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cond=1
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;;
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esac
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done
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${cond+echo "@%:@endif"}
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} >> confdefs.h
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else
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AC_CHECK_SIZEOF([$1])
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fi
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])
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RUBY_CHECK_SIZEOF(int, [], [ILP])
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RUBY_CHECK_SIZEOF(short)
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RUBY_CHECK_SIZEOF(long, [int], [ILP LP])
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RUBY_CHECK_SIZEOF(long long)
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RUBY_CHECK_SIZEOF(__int64)
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RUBY_CHECK_SIZEOF(off_t)
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RUBY_CHECK_SIZEOF(void*, [int long "long long"], [ILP LP LLP])
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RUBY_CHECK_SIZEOF(float)
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RUBY_CHECK_SIZEOF(double)
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RUBY_CHECK_SIZEOF(time_t, [long "long long"])
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dnl RUBY_REPLACE_TYPE [typename] [default type] [macro type] [included]
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AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
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