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ce06c24b0c
Update for autoconf 2.70 --- configure.ac | 232 +++++++++++++++++------------------ tool/m4/ruby_check_builtin_setjmp.m4 | 8 +- tool/m4/ruby_check_printf_prefix.m4 | 9 +- tool/m4/ruby_check_setjmp.m4 | 6 +- tool/m4/ruby_check_sysconf.m4 | 6 +- tool/m4/ruby_cppoutfile.m4 | 4 +- tool/m4/ruby_decl_attribute.m4 | 4 +- tool/m4/ruby_dtrace_available.m4 | 2 +- tool/m4/ruby_dtrace_postprocess.m4 | 2 +- tool/m4/ruby_mingw32.m4 | 4 +- tool/m4/ruby_stack_grow_direction.m4 | 4 +- tool/m4/ruby_try_cflags.m4 | 2 +- tool/m4/ruby_try_cxxflags.m4 | 2 +- tool/m4/ruby_try_ldflags.m4 | 2 +- 14 files changed, 143 insertions(+), 144 deletions(-) Revert AC_PROG_CC_C99 for -std=gnu99 option to gcc 4.8 --- configure.ac | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
30 lines
715 B
Text
30 lines
715 B
Text
# -*- Autoconf -*-
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AC_DEFUN([RUBY_STACK_GROW_DIRECTION], [
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AS_VAR_PUSHDEF([stack_grow_dir], [rb_cv_stack_grow_dir_$1])
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AC_CACHE_CHECK(stack growing direction on $1, stack_grow_dir, [
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AS_CASE(["$1"],
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[m68*|x86*|x64|i?86|ppc*|sparc*|alpha*], [ $2=-1],
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[hppa*], [ $2=+1],
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[
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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/* recurse to get rid of inlining */
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static int
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stack_growup_p(addr, n)
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volatile int *addr, n;
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{
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volatile int end;
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if (n > 0)
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return *addr = stack_growup_p(addr, n - 1);
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else
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return (&end > addr);
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}
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int main()
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{
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int x;
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return stack_growup_p(&x, 10);
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}
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]])],[$2=-1],[$2=+1],[$2=0])
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])
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eval stack_grow_dir=\$$2])
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eval $2=\$stack_grow_dir
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AS_VAR_POPDEF([stack_grow_dir])])dnl
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