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-rw-r--r--acinclude.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index cc1f61e76..3732091fe 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -77,7 +77,7 @@ AC_DEFUN([AST_C_DEFINE_CHECK],
AC_MSG_CHECKING([for $2 in $3])
saved_cppflags="${CPPFLAGS}"
if test "x${$1_DIR}" != "x"; then
- $1_INCLUDE= "-I${$1_DIR}/include"
+ $1_INCLUDE="-I${$1_DIR}/include"
fi
CPPFLAGS="${CPPFLAGS} ${$1_INCLUDE}"