fix $srcdir

diff --git a/Makefile b/Makefile
index e0e3a6b836f7e20b9a5d9fa07c74e5eb4b618f99..d7d70cd3b459f53d4ce4c93780521b2e43da83a2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ prefix ?= $(TMPDIR)/php-$(PHP)-$(shell env |grep -E '^with_|^enable_' | tr -c '[
 endif
 exec_prefix ?= $(prefix)
 bindir = $(exec_prefix)/bin
-srcdir := $(prefix)/src
+srcdir = $(prefix)/src
 ifdef TRAVIS_BUILD_DIR
 curdir ?= $(TRAVIS_BUILD_DIR)
 else