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-rw-r--r--sdch/SConscript102
1 files changed, 97 insertions, 5 deletions
diff --git a/sdch/SConscript b/sdch/SConscript
index c6c57fb..dbb0e55 100644
--- a/sdch/SConscript
+++ b/sdch/SConscript
@@ -2,16 +2,20 @@
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
+import re
+
Import('env')
env = env.Clone(OPEN_VCDIFF_DIR='open-vcdiff')
-env.Prepend(
- CPPPATH = [
+cpppath = [
'$OPEN_VCDIFF_DIR/src',
- '$OPEN_VCDIFF_DIR/vsprojects',
- ],
-)
+]
+
+if env['PLATFORM'] == 'win32':
+ cpppath.append('$OPEN_VCDIFF_DIR/vsprojects')
+
+env.Prepend(CPPPATH = cpppath)
input_files = [
'$OPEN_VCDIFF_DIR/src/addrcache.cc',
@@ -28,3 +32,91 @@ input_files = [
]
env.ChromeStaticLibrary('sdch', input_files)
+
+if env['PLATFORM'] in ('posix', 'darwin'):
+
+ # Generate a target config.h file from a source config.h.in file.
+ #
+ # The list of defines has been taken empirically from Autoconf
+ # (./configure) runs on Mac OS X and Ubuntu Hardy.
+
+ defines = [
+ 'HAVE_DLFCN_H',
+ 'HAVE_FNMATCH_H',
+ 'HAVE_GETOPT_H',
+ 'HAVE_GETTIMEOFDAY',
+ 'HAVE_INTTYPES_H',
+ 'HAVE_MEMORY_H',
+ 'HAVE_MPROTECT',
+ 'HAVE_PTHREAD',
+ 'HAVE_STDINT_H',
+ 'HAVE_STDLIB_H',
+ 'HAVE_STRINGS_H',
+ 'HAVE_STRING_H',
+ 'HAVE_STRTOLL',
+ 'HAVE_STRTOQ',
+ 'HAVE_SYS_MMAN_H',
+ 'HAVE_SYS_STAT_H',
+ 'HAVE_SYS_TIME_H',
+ 'HAVE_SYS_TYPES_H',
+ 'HAVE_UINT16_T',
+ 'HAVE_UNISTD_H',
+ 'HAVE_U_INT16_T',
+ 'HAVE___ATTRIBUTE__',
+ ('PACKAGE', '"open-vcdiff"'),
+ ('PACKAGE_BUGREPORT', '"opensource@google.com"'),
+ ('PACKAGE_NAME', '"open-vcdiff"'),
+ ('PACKAGE_STRING', '"open-vcdiff 0.1"'),
+ ('PACKAGE_TARNAME', '"open-vcdiff"'),
+ ('PACKAGE_VERSION', '"0.1"'),
+ ('VERSION', '"0.1"'),
+ 'STDC_HEADERS',
+ ]
+
+ if env['PLATFORM'] == 'posix':
+ defines.extend([
+ 'HAVE_MALLOC_H',
+ 'HAVE_MEMALIGN',
+ 'HAVE_POSIX_MEMALIGN',
+ ])
+
+ if env['PLATFORM'] == 'darwin':
+ defines.extend([
+ 'HAVE_WORKING_KQUEUE',
+ ])
+
+ def AutoConfig(target, source, env):
+ """
+ Action to generate a config.h file from an Autotools config.h.in file,
+ given the list of definitions in the DEFINES construction variable.
+
+ Each entry in DEFINES is either a string, in which case it
+ will be enabled with a value of 1, or a tuple, in which case
+ the first element is the #define name and the second its value.
+
+ Any leftover #undef lines get commented out.
+ """
+ contents = open(str(source[0]), 'r').read()
+
+ for d in env['DEFINES']:
+ if isinstance(d, tuple):
+ define, value = d
+ else:
+ define = d
+ value = 1
+ undef = '^#undef %s$' % re.escape(define)
+ definition = '#define %s %s' % (define, value)
+ contents = re.sub(undef, definition, contents)
+
+ undef_re = re.compile(r'^(#undef .*)$', re.M)
+ contents = undef_re.sub(r'/* \1 */', contents)
+
+ header = '/* src/config.h. Generated by SCons. */\n'
+ open(str(target[0]), 'w').write(header + contents)
+
+ # varlist['DEFINES'] below makes the target config.h file depend
+ # on the list of definitions in the passed-in $DEFINES variable.
+ env.Command('$OPEN_VCDIFF_DIR/src/config.h',
+ '$OPEN_VCDIFF_DIR/src/config.h.in',
+ Action(AutoConfig, varlist=['DEFINES']),
+ DEFINES=defines)