Fix: warning, may be used uninitialized

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 75bc9af422e40e30ef3f5f95f1286c437690ce1c..5bcc068f95422d814e97bff8bea574ad5038d04c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -81,7 +81,7 @@ AC_TYPE_SIZE_T
 # Checks for library functions.
 AC_FUNC_MALLOC
 AC_FUNC_MMAP
-AC_CHECK_FUNCS([gettimeofday munmap strtoul])
+AC_CHECK_FUNCS([gettimeofday munmap strtoul strndup strnlen mkdtemp dirfd])
 
 # Check for MinGW32.
 MINGW32=no
@@ -133,11 +133,24 @@ AC_CHECK_LIB([c], [open_memstream],
 ]
 )
 
+# Check for posix_fallocate
+AC_CHECK_LIB([c], [posix_fallocate],
+[
+       AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_POSIX_FALLOCATE], 1, [Has posix_fallocate support.])
+]
+)
+
+# Check for faccessat
+AC_CHECK_LIB([c], [faccessat],
+[
+       AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_FACCESSAT], 1, [Has faccessat support.])
+]
+)
+
 AC_CHECK_LIB([popt], [poptGetContext], [],
         [AC_MSG_ERROR([Cannot find popt.])]
 )
 
-
 # For Python
 # SWIG version needed or newer:
 swig_version=2.0.0
@@ -184,9 +197,12 @@ PKG_CHECK_MODULES(GMODULE, [$pkg_modules])
 AC_SUBST(PACKAGE_LIBS)
 
 LIBS="$LIBS $GMODULE_LIBS"
-PACKAGE_CFLAGS="$GMODULE_CFLAGS -Wall -Wformat -include config.h"
+PACKAGE_CFLAGS="$GMODULE_CFLAGS -Wall -Wformat"
 AC_SUBST(PACKAGE_CFLAGS)
 
+DEFAULT_INCLUDES="-I\$(top_srcdir) -I\$(top_builddir) -I\$(top_builddir)/include -include config.h"
+AC_SUBST(DEFAULT_INCLUDES)
+
 babeltraceincludedir="${includedir}/babeltrace"
 AC_SUBST(babeltraceincludedir)