From: Zoltan Varga <vargaz@gmail.com>
Date: Wed, 12 Nov 2003 13:09:46 +0000 (-0000)
Subject: 2003-11-12  Zoltan Varga  <vargaz@freemail.hu>
X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=commitdiff_plain;h=8f7a2972784ced4fd8d491c08c75b12138a3ff8f;p=mono.git

2003-11-12  Zoltan Varga  <vargaz@freemail.hu>

	* configure.in acconfig.h: Add check for signbit, which is missing in
	FreeBSD 4.x.

svn path=/trunk/mono/; revision=19869
---

diff --git a/ChangeLog b/ChangeLog
index 264fedaa5d3..644d9dc3ffa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-11-12  Zoltan Varga  <vargaz@freemail.hu>
+
+	* configure.in acconfig.h: Add check for signbit, which is missing in
+	FreeBSD 4.x.
+
 2003-11-07  Zoltan Varga  <vargaz@freemail.hu>
 
 	* configure.in: Remove debugging junk accidently checked in.
diff --git a/acconfig.h b/acconfig.h
index 2ed16243b47..e54d4eeea44 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -29,3 +29,4 @@
 #undef HAVE_GETHOSTBYNAME2_R
 #undef HAVE_ICU
 #undef HAVE_KW_THREAD
+#undef HAVE_SIGNBIT
diff --git a/configure.in b/configure.in
index 7c7cf2d18a3..0d1f6772773 100644
--- a/configure.in
+++ b/configure.in
@@ -647,6 +647,19 @@ if test x$platform_win32 = xno; then
 	dnl *** have it in the library (duh))                            ***
 	dnl ****************************************************************
 	AC_CHECK_FUNCS(poll)
+
+	dnl *************************
+	dnl *** Check for signbit ***
+	dnl *************************
+	AC_MSG_CHECKING(for signbit)
+	AC_TRY_COMPILE([#include <math.h>], [
+		int s = signbit(1.0);
+	], [
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SIGNBIT)
+	], [
+		AC_MSG_RESULT(no)
+	]) 
 else
 	AC_CHECK_LIB(ws2_32, main, LIBS="$LIBS -lws2_32", AC_ERROR(bad mingw install?))
 	AC_CHECK_LIB(psapi, main, LIBS="$LIBS -lpsapi", AC_ERROR(bad mingw install?))