From: Amos Jeffries <squid3@treenet.co.nz>
Date: Wed, 10 Mar 2010 07:59:21 +0000 (+1300)
Subject: Bug 2873: undefined symbol rint
X-Git-Tag: SQUID_3_2_0_1~374
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9a80d0e7e516cddb7a330c23a8e02c5b19cfaa7b;p=thirdparty%2Fsquid.git

Bug 2873: undefined symbol rint

Detect math library properly based on rint synbol we need.
On Solaris at least "main" symbol does not exist.
---

diff --git a/configure.in b/configure.in
index 83b6ebfce3..82f0ff9a0f 100644
--- a/configure.in
+++ b/configure.in
@@ -2973,14 +2973,22 @@ dnl end rip
   fi
 
 AC_CHECK_LIB(regex, main, [REGEXLIB="-lregex"])
+MATHLIB=""
 case "$host_os" in
 mingw|mingw32)
 	AC_MSG_NOTICE([Use MSVCRT for math functions.])
 	;;
 	*)
-	AC_CHECK_LIB(m, main)
+	AC_SEARCH_LIBS([rint],[m],[
+	case "$ac_cv_search_rint" in
+	no*)
+		;;
+	*)
+		MATHLIB="$ac_cv_search_rint"
+	esac ])
 	;;
 esac
+AC_SUBST(MATHLIB)
 
 dnl Enable IPv6 support
 AC_MSG_CHECKING([whether to enable IPv6])
diff --git a/src/Common.am b/src/Common.am
index 15c60bb7e6..f7bdff495a 100644
--- a/src/Common.am
+++ b/src/Common.am
@@ -29,6 +29,8 @@ INCLUDES += $(KRB5INCS)
 $(OBJS): $(top_srcdir)/include/version.h $(top_builddir)/include/autoconf.h
 
 ## Because compatibility is almost universal. And the link order is important.
+## NP: libmisc util.cc depends on rint from math library
 COMPAT_LIB = \
 	-L$(top_builddir)/lib -lmiscutil \
-	$(top_builddir)/compat/libcompat.la
+	$(top_builddir)/compat/libcompat.la \
+	$(MATHLIB)