X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f6b561d9f9cbc6fc95bbb86518372a5cb52f45a6..6d58c632025cb6928a90e4176577982bfb9c3981:/tests/atlocal.in?ds=sidebyside

diff --git a/tests/atlocal.in b/tests/atlocal.in
index e350d137..16e6fda8 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -79,6 +79,15 @@ LIBS="$abs_top_builddir/lib/libbison.a @LIBS@ @INTLLIBS@"
 # Empty if no xsltproc was found
 : ${XSLTPROC='@XSLTPROC@'}
 
+# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
+# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
+# the environment variable.
+: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
+if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
+  POSIXLY_CORRECT_IS_EXPORTED=true
+else
+  POSIXLY_CORRECT_IS_EXPORTED=false
+fi
 
 # Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.
 if "$at_arg_compile_c_with_cxx"; then