blob: ad6fcdbdf098ee1845450418ac6ff0ab3862577b [file] [log] [blame]
From 188049ac7adcabfa66e5b6a674ac28a2f7da81f3 Mon Sep 17 00:00:00 2001
From: Gustavo Zacarias <gustavo@zacarias.com.ar>
Date: Fri, 12 Feb 2016 11:06:58 -0300
Subject: [PATCH] build: clock_gettime might need librt
In older glibc versions (< 2.17) clock_gettime is in librt.
Add a check for this to avoid build breakage for programs/libraries that
use libbsd on such systems.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
---
Patch status: submitted upstream
configure.ac | 5 +++++
src/Makefile.am | 2 ++
2 files changed, 7 insertions(+)
diff --git a/configure.ac b/configure.ac
index d334774..1862d19 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,6 +44,11 @@ AC_SUBST([TESTU01_LIBS])
AM_CONDITIONAL([HAVE_LIBTESTU01],
[test "x$ac_cv_lib_testu01_unif01_CreateExternGenBits" = "xyes"])
+# In old glibc versions (< 2.17) clock_gettime() is in librt
+AC_SEARCH_LIBS([clock_gettime], [rt],
+ [LIB_CLOCK_GETTIME="-lrt"])
+AC_SUBST([LIB_CLOCK_GETTIME])
+
# Checks for header files.
AC_CHECK_HEADERS([sys/ndir.h sys/dir.h ndir.h dirent.h])
diff --git a/src/Makefile.am b/src/Makefile.am
index 4649937..6b705f0 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -52,6 +52,8 @@ hash/md5hl.c: $(srcdir)/hash/helper.c
libbsd_la_DEPENDENCIES = \
$(libbsd_la_included_sources) \
libbsd.map
+libbsd_la_LIBADD = \
+ $(LIB_CLOCK_GETTIME)
libbsd_la_LDFLAGS = \
-Wl,--version-script=$(srcdir)/libbsd.map \
-version-number $(LIBBSD_ABI)
--
2.4.10