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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-01-20 07:05:25 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-01-20 07:05:25 +0000
commit0664a6377a7fc51e6d96d7b69361cc457e248b00 (patch)
tree73693b397f6eeae289b23379ce433dc6d3691419 /tool/m4/ruby_check_builtin_func.m4
parent645e441c32ea5379aef712a9d9a26a6db2c1740b (diff)
downloadruby-0664a6377a7fc51e6d96d7b69361cc457e248b00.tar.gz
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
Diffstat (limited to 'tool/m4/ruby_check_builtin_func.m4')
-rw-r--r--tool/m4/ruby_check_builtin_func.m49
1 files changed, 9 insertions, 0 deletions
diff --git a/tool/m4/ruby_check_builtin_func.m4 b/tool/m4/ruby_check_builtin_func.m4
new file mode 100644
index 0000000000..b8502c2848
--- /dev/null
+++ b/tool/m4/ruby_check_builtin_func.m4
@@ -0,0 +1,9 @@
+AC_DEFUN([RUBY_CHECK_BUILTIN_FUNC], [dnl
+AC_CACHE_CHECK([for $1], AS_TR_SH(rb_cv_builtin_$1),
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([int foo;], [$2;])],
+ [AS_TR_SH(rb_cv_builtin_$1)=yes],
+ [AS_TR_SH(rb_cv_builtin_$1)=no])])
+AS_IF([test "${AS_TR_SH(rb_cv_builtin_$1)}" != no], [
+ AC_DEFINE(AS_TR_CPP(HAVE_BUILTIN_$1))
+])])dnl