ruby--ruby/tool/m4/ruby_check_sysconf.m4

dnl -*- 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
Remove comments in tool/m4 from the generated configure 2021-04-17 06:14:21 -04:00			`dnl -- Autoconf --`
refactor split configure.ac into files This does not (yet) change anything. The generated configure file is the identical to previous one (except several empty lines added and deleted). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2018-01-20 02:05:25 -05:00			`AC_DEFUN([RUBY_CHECK_SYSCONF], [dnl`
			`AC_CACHE_CHECK([whether _SC_$1 is supported], rb_cv_have_sc_[]m4_tolower($1),`
Update for autoconf 2.70 2020-12-12 08:55:09 -05:00			`[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>`
			`]],`
			`[[_SC_$1 >= 0]])],`
refactor split configure.ac into files This does not (yet) change anything. The generated configure file is the identical to previous one (except several empty lines added and deleted). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2018-01-20 02:05:25 -05:00			`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`