sagemath/sagemath-scons.patch

diff -up src/c_lib/SConstruct.orig src/c_lib/SConstruct
--- src/c_lib/SConstruct.orig	2015-04-03 14:44:19.695348682 -0300
+++ src/c_lib/SConstruct	2015-04-03 14:44:30.359349090 -0300
@@ -126,8 +126,8 @@ env['PYV']=platform.python_version().rsp
 # The SCons convenience function Split is the only strange thing
 # to python programmers. It just makes a list by splitting on
 # whitespace without the syntax clutter of lists of strings.
-includes = ['$SAGE_LOCAL/include/', '$SAGE_LOCAL/include/python$PYV/',
-            '$SAGE_LOCAL/include/NTL/', 'include']
+includes = ['@@includedir@@', '@@includedir@@/python$PYV/',
+            '@@includedir@@/NTL/', 'include']
 cFiles = Split( "convert.c  interrupt.c  memory.c  mpn_pylong.c  mpz_pylong.c") + \
          Split( "mpz_longlong.c stdsage.c" )
 cppFiles = Split( "ZZ_pylong.cpp  ntl_wrap.cpp" )
@@ -136,9 +136,22 @@ incFiles = Split( "ccobject.h  convert.h
            Split( "interrupt.h  memory.h  mpn_pylong.h  mpz_longlong.h" ) + \
            Split( "mpz_pylong.h  ntl_wrap.h  parisage.h  stdsage.h  ZZ_pylong.h" )
 
+env.Append(CFLAGS='@@optflags@@')
+env.Append(CXXFLAGS='@@optflags@@')
+env.Append(LINKFLAGS='@@__global_ldflags@@')
+
+libname = "libcsage"
+major = "0"
+shlib_suffix = '.so.' + major
+shlink_flags = [ '@@__global_ldflags@@', '-shared', '-fPIC' ]
+soname = libname + shlib_suffix
+shlink_flags += [ '-Wl,-Bsymbolic', '-Wl,-soname=%s' % soname ]
+
 lib = env.SharedLibrary( "csage", [ "src/" + x for x in srcFiles ],
                          LIBS=['ntl', 'pari', 'gmp', 'python$PYV'],
-                         LIBPATH=['$SAGE_LOCAL/lib','$SAGE_LOCAL/lib/python$PYV/config/'],
+                         LIBPATH=['@@libdir@@','@@libdir@@/python$PYV/config/'],
+                         SHLIBSUFFIX=shlib_suffix,
+                         SHLINKFLAGS=shlink_flags,
                          CPPPATH=includes )
 env.Install("$SAGE_LOCAL/lib", lib)
 env.Install("$SAGE_LOCAL/include/csage", [ os.path.join('include',x) for x in incFiles ])