diff -ur numpy-1.0.orig/numpy/distutils/fcompiler/gnu.py numpy-1.0/numpy/distutils/fcompiler/gnu.py
--- numpy-1.0.orig/numpy/distutils/fcompiler/gnu.py	2006-10-09 03:46:59.000000000 -0400
+++ numpy-1.0/numpy/distutils/fcompiler/gnu.py	2006-10-25 13:51:18.000000000 -0400
@@ -30,7 +30,7 @@
         'compiler_f77' : [fc_exe, "-g", "-Wall","-fno-second-underscore"],
         'compiler_f90' : None, # Use --fcompiler=gnu95 for f90 codes
         'compiler_fix' : None,
-        'linker_so'    : [fc_exe, "-g", "-Wall"],
+        'linker_so'    : [fc_exe,"-shared", "-g", "-Wall"],
         'archiver'     : ["ar", "-cr"],
         'ranlib'       : ["ranlib"],
         'linker_exe'   : [fc_exe, "-g", "-Wall"]
@@ -247,12 +247,14 @@ class GnuFCompiler(FCompiler):
 class Gnu95FCompiler(GnuFCompiler):
 
     compiler_type = 'gnu95'
-    version_match = simple_version_match(start='GNU Fortran 95')
+    version_match = simple_version_match(start='GNU Fortran (95|\(GCC\))')
 
     # 'gfortran --version' results:
     # Debian: GNU Fortran 95 (GCC 4.0.3 20051023 (prerelease) (Debian 4.0.2-3))
     # OS X: GNU Fortran 95 (GCC) 4.1.0
     #       GNU Fortran 95 (GCC) 4.2.0 20060218 (experimental)
+    #       GNU Fortran (GCC) 4.3.0 20070316 (experimental)
+    # Red Hat: GNU Fortran (GCC) 4.1.2 20070403 (Red Hat 4.1.2-8)
 
     for fc_exe in map(find_executable,['gfortran','f95']):
         if os.path.isfile(fc_exe):
@@ -257,7 +257,7 @@
         'compiler_f77' : [fc_exe,"-Wall","-ffixed-form","-fno-second-underscore"],
         'compiler_f90' : [fc_exe,"-Wall","-fno-second-underscore"],
         'compiler_fix' : [fc_exe,"-Wall","-ffixed-form","-fno-second-underscore"],
-        'linker_so'    : [fc_exe,"-Wall"],
+        'linker_so'    : [fc_exe,"-shared", "-Wall"],
         'archiver'     : ["ar", "-cr"],
         'ranlib'       : ["ranlib"],
         'linker_exe'   : [fc_exe,"-Wall"]