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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 5a53b5c..ce3cdee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,6 +7,8 @@ AM_MAINTAINER_MODE
XCB_UTIL_COMMON([1.4], [1.6])
+AC_CHECK_HEADERS([sys/shm.h])
+AM_CONDITIONAL(HAVE_SHM, test x$ac_cv_header_sys_shm_h = xyes)
PKG_CHECK_MODULES(XCB_SHM, xcb-shm)
PKG_CHECK_MODULES(XPROTO, xproto >= 7.0.8)
PKG_CHECK_MODULES(XCB_UTIL, xcb-util)