Changeset 179 for trunk/configure

Timestamp:

Apr 3, 2006, 9:05:47 AM (16 years ago)

Author:

titer

Message:

Adds a real test for lrintf because some Linux systems, like BeOS, seem
to provide a non-working lrintf implementation
(Patch from Henner Sudek, modified)

File:

• trunk/configure (modified) (4 diffs)

trunk/configure

@@ -44 +44 @@
   fi
   rm -f testconf.c testconf
+}
+
+lm_test()
+{
+  cat > testconf.c << EOF
+  int main()
+  {
+    sqrt( 42 );
+  }
+EOF
+  if ! $CC -o testconf testconf.c > /dev/null 2>&1
+  then
+    if $CC -o testconf testconf.c -lm > /dev/null 2>&1
+    then
+      LINKLIBS="$LINKLIBS -lm"
+    fi
+  fi
+}
+
+lrintf_test()
+{
+  cat > testconf.c << EOF
+  int main()
+  {
+    return ( lrintf( 3.14 ) != 3 );
+  }
+EOF
+  if ( $CC -o testconf testconf.c $LINKLIBS && ./testconf ) > /dev/null 2>&1
+  then
+    DEFINES="$DEFINES HAVE_LRINTF"
+  fi
 }
 
@@ -223 +254 @@
   FreeBSD)
     DEFINES="$DEFINES SYS_FREEBSD"
-    LINKLIBS="$LINKLIBS -pthread -lm"
+    LINKLIBS="$LINKLIBS -pthread"
 
     RELEASE=`uname -r`
@@ -235 +266 @@
   NetBSD)
     DEFINES="$DEFINES SYS_NETBSD"
-    LINKLIBS="$LINKLIBS -lpthread -lm"
+    LINKLIBS="$LINKLIBS -lpthread"
     ;;
 
   OpenBSD)
     DEFINES="$DEFINES SYS_OPENBSD"
-    LINKLIBS="$LINKLIBS -lpthread -lm"
+    LINKLIBS="$LINKLIBS -lpthread"
     ;;
 
   Linux)
     DEFINES="$DEFINES SYS_LINUX"
-    LINKLIBS="$LINKLIBS -lpthread -lm"
+    LINKLIBS="$LINKLIBS -lpthread"
     ;;
 
@@ -285 +316 @@
     gtk_test
 fi
+
+#
+# Math functions
+#
+lm_test
+lrintf_test
 
 #