fix 1bb8a7b0b8

10 years ago · 7132fe19c2
1 changed files with 2 additions and 2 deletions
--- a/acinclude.m4
+++ b/acinclude.m4
@ -2691,7 +2691,7 @@ EOF
        continue;
      fi
      for var in CFLAGS CXXFLAGS CPPFLAGS LDFLAGS EXTRA_LDFLAGS_PROGRAM LIBS CC CXX; do
-       if test `expr $arg : ".*${var}.*"` != 0;
+       if test `expr "X$arg" : "X.*${var}.*"` != 0;
 	   then
         continue 2
 	   fi
@ -2703,7 +2703,7 @@ EOF
        continue;
      fi
      for var in CFLAGS CXXFLAGS CPPFLAGS LDFLAGS EXTRA_LDFLAGS_PROGRAM LIBS CC CXX; do
-       if test `expr $arg : ".*${var}.*"` != 0;
+       if test `expr "X$arg" : "X.*${var}.*"` != 0;
 	   then
         continue 2
 	   fi