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

# -*- Autoconf -*-
AC_DEFUN([RUBY_CHECK_SYSCONF], [dnl
AC_CACHE_CHECK([whether _SC_$1 is supported], rb_cv_have_sc_[]m4_tolower($1),
  [AC_TRY_COMPILE([#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
Emacs friendliness [ci skip] Just add comment by: sed -i $'1i\\\n# -- Autoconf --' tool/m4/*.m4 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61983 b2dd03c8-39d4-4d8f-98ff-823fe69b080e 2018-01-20 02:14:59 -05:00			`# -- 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),`
			`[AC_TRY_COMPILE([#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`