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authorHarald Welte <laforge@gnumonks.org>2012-04-08 16:59:24 +0200
committerHarald Welte <laforge@gnumonks.org>2012-04-08 16:59:24 +0200
commit9c3dc90d16a40789081c84e46620f4d66689fec1 (patch)
tree69fba13dafd13f1429b8539cba097ea18d2beb10 /openbsc/configure.ac
parenta334c296e02852880148abf92abf12c63ed49b3b (diff)
introduce HAVE_TM_GMTOFF_IN_TM
Not all architectures have the tm.tm_gmtoff member. This fixes cygwin builds.
Diffstat (limited to 'openbsc/configure.ac')
-rw-r--r--openbsc/configure.ac24
1 files changed, 24 insertions, 0 deletions
diff --git a/openbsc/configure.ac b/openbsc/configure.ac
index 56e4b60ad..16eb732b6 100644
--- a/openbsc/configure.ac
+++ b/openbsc/configure.ac
@@ -83,6 +83,30 @@ if test "$enable_coverage" = "yes"; then
AC_SUBST([COVERAGE_LDFLAGS])
fi
+AC_DEFUN([CHECK_TM_INCLUDES_TM_GMTOFF], [
+ AC_CACHE_CHECK(
+ [whether struct tm has tm_gmtoff member],
+ osmo_cv_tm_includes_tm_gmtoff,
+ [AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([
+ #include <time.h>
+ ], [
+ time_t t = time(NULL);
+ struct tm* lt = localtime(&t);
+ int off = lt->tm_gmtoff;
+ ])
+ ],
+ osmo_cv_tm_includes_tm_gmtoff=yes,
+ osmo_cv_tm_includes_tm_gmtoff=no
+ )]
+ )
+ if test "x$osmo_cv_tm_includes_tm_gmtoff" = xyes; then
+ AC_DEFINE(HAVE_TM_GMTOFF_IN_TM, 1,
+ [Define if struct tm has tm_gmtoff member.])
+ fi
+])
+
+CHECK_TM_INCLUDES_TM_GMTOFF
dnl Generate the output
AM_CONFIG_HEADER(bscconfig.h)