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configure.in: check dtace -G

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* configure.in (RUBY_DTRACE_POSTPROCESS): check if the object file
  is really modified by `dtrace -G`, this command is very system
  dependent.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-01-26 08:14:17 +00:00
parent 79cab4f31e
commit ec723e30bc
1 changed files with 3 additions and 1 deletions
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4
configure.in
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@ -643,7 +643,9 @@ _PROBES
int main(void){ CONFTEST_FIRE(); return 0; }
_CONF
$CC $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c &&
$DTRACE -G -s conftest_provider.d conftest.o 2>/dev/null
cp -p conftest.o conftest.oo &&
$DTRACE -G -s conftest_provider.d conftest.o 2>/dev/null &&
! cmp -b conftest.o conftest.oo
}; then
rb_cv_prog_dtrace_g=yes
else