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| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-20 07:05:25 +0000 |
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| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-20 07:05:25 +0000 |
| commit | 0664a6377a7fc51e6d96d7b69361cc457e248b00 (patch) | |
| tree | 73693b397f6eeae289b23379ce433dc6d3691419 /tool/m4/ruby_dtrace_available.m4 | |
| parent | 645e441c32ea5379aef712a9d9a26a6db2c1740b (diff) | |
| download | ruby-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_available.m4')
| -rw-r--r-- | tool/m4/ruby_dtrace_available.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tool/m4/ruby_dtrace_available.m4 b/tool/m4/ruby_dtrace_available.m4 new file mode 100644 index 0000000000..9237b3535f --- /dev/null +++ b/tool/m4/ruby_dtrace_available.m4 @@ -0,0 +1,19 @@ +AC_DEFUN([RUBY_DTRACE_AVAILABLE], +[AC_CACHE_CHECK(whether dtrace USDT is available, rb_cv_dtrace_available, +[ + echo "provider conftest{ probe fire(); };" > conftest_provider.d + rb_cv_dtrace_available=no + AS_FOR(opt, rb_dtrace_opt, ["-xnolibs" ""], [dnl + AS_IF([$DTRACE opt -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null], + [], [continue]) + AC_TRY_COMPILE([@%:@include "conftest_provider.h"], [CONFTEST_FIRE();], + [], [continue]) + # DTrace is available on the system + rb_cv_dtrace_available=yes${rb_dtrace_opt:+"(opt)"} + break + ]) + rm -f conftest.[co] conftest_provider.[dho] +]) +AS_CASE(["$rb_cv_dtrace_available"], ["yes("*")"], + [DTRACE_OPT=`expr "$rb_cv_dtrace_available" : "yes(\(.*\))"`]) +])dnl |