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-rw-r--r--libxcb/configure.ac7
1 files changed, 7 insertions, 0 deletions
diff --git a/libxcb/configure.ac b/libxcb/configure.ac
index e94e32c7b..d6b953165 100644
--- a/libxcb/configure.ac
+++ b/libxcb/configure.ac
@@ -1,11 +1,18 @@
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
+# Initialize Autoconf
AC_PREREQ(2.57)
AC_INIT([libxcb],
1.8.1,
[xcb@lists.freedesktop.org])
AC_CONFIG_SRCDIR([xcb.pc.in])
+# Set common system defines for POSIX extensions, such as _GNU_SOURCE
+# Must be called before any macros that run the compiler (like AC_PROG_LIBTOOL)
+# to avoid autoconf errors.
+AC_USE_SYSTEM_EXTENSIONS
+
+# Initialize Automake
AM_INIT_AUTOMAKE([foreign dist-bzip2])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])