X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=0a419666226640f98674cd14e07bc4c661a58940;hb=d061776c476ef6f161749b27c3b4bda551c42c38;hp=d243fa27f6a7be42bb60e1ea11a9603c8254aadb;hpb=b53005ae0b9f6498d16ea06b086eb5847a002b3b;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index d243fa2..0a41966 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1121,7 +1121,10 @@ else
 fi
 
 dnl ** check for math library
-AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
+AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
+if test x"$fp_libm_not_needed" = xdunno; then
+   AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
+fi
 AC_SUBST([LIBM])
 
 dnl ################################################################
@@ -1263,6 +1266,7 @@ AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
             [Define to 1 if Apple-style dead-stripping is supported.])
     ],
     [
+        AC_MSG_RESULT(no)
         AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
             [Define to 1 if Apple-style dead-stripping is supported.])
     ])