commit cb3bc6073a5b58e0e4774bdb2781374a51474a59
Author: Emanuele Aina <emanuele.aina@collabora.com>
Date:   Tue Mar 12 22:25:19 2013 +0100

    build: Link to libm for fpclassify()
    
    Linking with the gold linker failed with an undefined reference to
    __fpclassify since it uses '--no-copy-dt-needed-entries' by default.
    
    https://bugs.freedesktop.org/show_bug.cgi?id=62264

diff --git a/configure.ac b/configure.ac
index fbb2f18..5d0b286 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,6 +119,9 @@ GETTEXT_PACKAGE=AC_PACKAGE_NAME
 AC_SUBST(GETTEXT_PACKAGE)
 AC_DEFINE(GETTEXT_PACKAGE, "AC_PACKAGE_NAME", [foo])
 
+LT_LIB_M
+AC_SUBST(LIBM)
+
 GLIB_GSETTINGS
 
 dnl ---------------------------------------------------------------------------
diff --git a/src/Makefile.am b/src/Makefile.am
index cba0a41..a5af1d1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -96,6 +96,7 @@ colord_SOURCES +=					\
 endif
 
 colord_LDADD =						\
+	$(LIBM)						\
 	$(SQLITE_LIBS)					\
 	$(POLKIT_LIBS)					\
 	$(LCMS_LIBS)					\