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ruby--ruby/tool/m4/ruby_check_sysconf.m4
Nobuyoshi Nakada ce06c24b0c merge revision(s) c32375883a6,48bb0329eb3:
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(-)
2021-04-15 13:43:56 +09:00

13 lines
402 B
Text

# -*- Autoconf -*-
AC_DEFUN([RUBY_CHECK_SYSCONF], [dnl
AC_CACHE_CHECK([whether _SC_$1 is supported], rb_cv_have_sc_[]m4_tolower($1),
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>
]],
[[_SC_$1 >= 0]])],
rb_cv_have_sc_[]m4_tolower($1)=yes,
rb_cv_have_sc_[]m4_tolower($1)=no)
])
AS_IF([test "$rb_cv_have_sc_[]m4_tolower($1)" = yes], [
AC_DEFINE(HAVE__SC_$1)
])
])dnl