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ruby--ruby/tool/m4/ruby_dtrace_postprocess.m4
shyouhei 5839396028 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 07:14:59 +00:00

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# -*- Autoconf -*-
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