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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_dtrace_postprocess.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_dtrace_postprocess.m4')
-rw-r--r--tool/m4/ruby_dtrace_postprocess.m429
1 files changed, 29 insertions, 0 deletions
diff --git a/tool/m4/ruby_dtrace_postprocess.m4 b/tool/m4/ruby_dtrace_postprocess.m4
new file mode 100644
index 0000000000..ba5785d9dd
--- /dev/null
+++ b/tool/m4/ruby_dtrace_postprocess.m4
@@ -0,0 +1,29 @@
+AC_DEFUN([RUBY_DTRACE_POSTPROCESS],
+[AC_CACHE_CHECK(whether $DTRACE needs post processing, rb_cv_prog_dtrace_g,
+[
+ rb_cv_prog_dtrace_g=no
+ AS_IF([{
+ cat >conftest_provider.d <<_PROBES &&
+ provider conftest {
+ probe fire();
+ };
+_PROBES
+ $DTRACE ${DTRACE_OPT} -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null &&
+ :
+ }], [
+ AC_TRY_COMPILE([@%:@include "conftest_provider.h"], [CONFTEST_FIRE();], [
+ AS_IF([{
+ cp -p conftest.${ac_objext} conftest.${ac_objext}.save &&
+ $DTRACE ${DTRACE_OPT} -G -s conftest_provider.d conftest.${ac_objext} 2>/dev/null &&
+ :
+ }], [
+ AS_IF([cmp -s conftest.o conftest.${ac_objext}.save], [
+ rb_cv_prog_dtrace_g=yes
+ ], [
+ rb_cv_prog_dtrace_g=rebuild
+ ])
+ ])])
+ ])
+ rm -f conftest.[co] conftest_provider.[dho]
+])
+])dnl