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Add special case for physfs requiring zlib

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Dynamic linked physfs handles its own zlib dependencies.  If the user
links to a static physfs and physfs is built with support for zip files,
then we need to add zlib to the link line.
This commit is contained in:
Kp 2015-04-09 02:29:58 +00:00
parent 1fd7cb8929
commit fa82c1bd3b
1 changed files with 21 additions and 9 deletions
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30
SConstruct
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@ -270,20 +270,24 @@ class ConfigureTests:
else:
env_flags.restore(context.env)
return r
def _check_system_library(self,context,header,main,lib,successflags={}):
def _soft_check_system_library(self,context,header,main,lib,successflags={}):
include = '\n'.join(['#include <%s>' % h for h in header])
# Test library. On success, good. On failure, test header to
# give the user more help.
if self.Link(context, text=include, main=main, msg='for usable library ' + lib, successflags=successflags):
return
if self.Compile(context, text=include, main=main, msg='for usable header ' + header[-1], testflags=successflags):
raise SCons.Errors.StopError("Header %s is usable, but library %s is not usable." % (header[-1], lib))
return (0, "Header %s is usable, but library %s is not usable." % (header[-1], lib))
if self.Compile(context, text=include, main=main, msg='for parseable header ' + header[-1], testflags=successflags):
raise SCons.Errors.StopError("Header %s is parseable, but cannot compile the test program." % (header[-1]))
raise SCons.Errors.StopError("Header %s is missing or unusable." % (header[-1]))
return (1, "Header %s is parseable, but cannot compile the test program." % (header[-1]))
return (2, "Header %s is missing or unusable." % (header[-1]))
def _check_system_library(self,*args,**kwargs):
e = self._soft_check_system_library(*args, **kwargs)
if e:
raise SCons.Errors.StopError(e[1])
@_custom_test
def check_libphysfs(self,context):
self._check_system_library(context,header=['physfs.h'],main='''
main = '''
PHYSFS_File *f;
char b[1] = {0};
PHYSFS_init("");
@ -295,10 +299,18 @@ class ConfigureTests:
PHYSFS_sint64 r = PHYSFS_read(f, b, 1, 1);
(void)r;
PHYSFS_close(f);
''',
lib='physfs',
successflags={'LIBS' : ['physfs']}
)
'''
l = ['physfs']
successflags = {'LIBS' : l}
e = self._soft_check_system_library(context, header=['zlib.h', 'physfs.h'], main=main, lib='physfs', successflags=successflags)
if not e:
return
if e[0] == 0:
self.message("physfs header usable; adding zlib and retesting library")
l.append('z')
e = self._soft_check_system_library(context, header=['zlib.h', 'physfs.h'], main=main, lib='physfs', successflags=successflags)
if e:
raise SCons.Errors.StopError(e[1])
@_custom_test
def check_libSDL(self,context):
successflags = self.pkgconfig.merge(context, self.message, self.user_settings, 'sdl', 'SDL')