From 51e17ea66608cfb85c2d5c6687df5fe83f191820 Mon Sep 17 00:00:00 2001
From: sebc <unknown>
Date: Sat, 17 Feb 2001 19:52:56 +0000
Subject: [PATCH] [project @ 2001-02-17 19:52:56 by sebc] Make LIBM be
 detected by autoconf.

---
 aclocal.m4               |    8 ++++----
 configure.in             |    4 ++++
 ghc/utils/hp2ps/Makefile |    2 +-
 mk/config.mk.in          |    3 +++
 4 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/aclocal.m4 b/aclocal.m4
index a9d8e89..d62a3c5 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-dnl $Id: aclocal.m4,v 1.66 2001/01/30 11:13:26 simonmar Exp $
+dnl $Id: aclocal.m4,v 1.67 2001/02/17 19:52:56 sebc Exp $
 dnl 
 dnl Extra autoconf macros for the Glasgow fptools
 dnl
@@ -861,7 +861,7 @@ dnl The variable LIBM (which is not an output variable by default) is
 dnl set to a value which is suitable for use in a Makefile (for example,
 dnl in make's LOADLIBES macro) provided you AC_SUBST it first.
 dnl
-dnl @version 0.01 $Id: aclocal.m4,v 1.66 2001/01/30 11:13:26 simonmar Exp $
+dnl @version 0.01 $Id: aclocal.m4,v 1.67 2001/02/17 19:52:56 sebc Exp $
 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
 
 # FPTOOLS_CHECK_LIBM - check for math library
@@ -869,7 +869,7 @@ AC_DEFUN(FPTOOLS_CHECK_LIBM,
 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 LIBM=
 case "$host" in
-*-*-beos* | *-*-cygwin*)
+*-*-beos* | *-*-macosx*)
   # These system don't have libm
   ;;
 *-ncr-sysv4.3*)
@@ -949,7 +949,7 @@ dnl Please note that as the ac_opengl macro and the toy example evolves,
 dnl the version number increases, so you may have to adjust the above
 dnl URL accordingly.
 dnl
-dnl @version 0.01 $Id: aclocal.m4,v 1.66 2001/01/30 11:13:26 simonmar Exp $
+dnl @version 0.01 $Id: aclocal.m4,v 1.67 2001/02/17 19:52:56 sebc Exp $
 dnl @author Matthew D. Langston <langston@SLAC.Stanford.EDU>
 
 AC_DEFUN(FPTOOLS_HAVE_OPENGL,
diff --git a/configure.in b/configure.in
index dbfe119..b852836 100644
--- a/configure.in
+++ b/configure.in
@@ -842,6 +842,10 @@ else
 fi
 AC_SUBST(LibsReadline)
 
+dnl ** check for math library
+FPTOOLS_CHECK_LIBM()
+AC_SUBST(LIBM)
+
 dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
diff --git a/ghc/utils/hp2ps/Makefile b/ghc/utils/hp2ps/Makefile
index 521c2a8..5e11ed0 100644
--- a/ghc/utils/hp2ps/Makefile
+++ b/ghc/utils/hp2ps/Makefile
@@ -8,7 +8,7 @@ C_PROG 	= hp2ps
 INSTALL_PROGS += $(C_PROG)
 
 SRC_CC_OPTS += -O
-LIBS	     = -lm
+LIBS	     = $(LIBM)
 
 CLEAN_FILES += $(C_OBJS) $(C_PROG)
 
diff --git a/mk/config.mk.in b/mk/config.mk.in
index efb315b..b3f63e9 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -290,6 +290,9 @@ GhcLibsWithReadline=@HaveReadlineHeaders@
 # Libraries needed for linking with readline
 LibsReadline=@LibsReadline@
 
+# Math library
+LIBM=@LIBM@
+
 # Include path to readline.h
 # (no path == in standard include path)
 #
-- 
1.7.10.4