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authorMatthieu Patou <mat@matws.net>2010-12-10 23:16:28 +0300
committerMatthieu Patou <mat@matws.net>2010-12-10 23:22:28 +0300
commit6875a611a71bf6d1623fc62361fc8b145b1f6559 (patch)
treef89ff636489f5b1cadafa2a2a30f509398cb3c1b /buildtools
parent26a37284b9caffa1e2aebad27d683b15632e7240 (diff)
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build: add a function to test if -lc is needed
This is needed on openbsd as some linking flags makes mandatory to specify the libc for the linking
Diffstat (limited to 'buildtools')
-rw-r--r--buildtools/wafsamba/samba_conftests.py45
1 files changed, 45 insertions, 0 deletions
diff --git a/buildtools/wafsamba/samba_conftests.py b/buildtools/wafsamba/samba_conftests.py
index 2246ac3fa5..c7e596d27a 100644
--- a/buildtools/wafsamba/samba_conftests.py
+++ b/buildtools/wafsamba/samba_conftests.py
@@ -108,6 +108,51 @@ int foo(int v) {
return conf.check(features='cc cshlib',vnum="1",fragment=snip,msg=msg)
@conf
+def CHECK_NEED_LC(conf, msg):
+ '''check if we need -lc'''
+
+ dir = find_config_dir(conf)
+
+ env = conf.env
+
+ bdir = os.path.join(dir, 'testbuild2')
+ if not os.path.exists(bdir):
+ os.makedirs(bdir)
+
+
+ subdir = os.path.join(dir, "liblctest")
+
+ os.makedirs(subdir)
+
+ dest = open(os.path.join(subdir, 'liblc1.c'), 'w')
+ dest.write('#include <stdio.h>\nint lib_func(void) { FILE *f = fopen("foo", "r");}\n')
+ dest.close()
+
+ bld = Build.BuildContext()
+ bld.log = conf.log
+ bld.all_envs.update(conf.all_envs)
+ bld.all_envs['default'] = env
+ bld.lst_variants = bld.all_envs.keys()
+ bld.load_dirs(dir, bdir)
+
+ bld.rescan(bld.srcnode)
+
+ bld(features='cc cshlib',
+ source='liblctest/liblc1.c',
+ ldflags=conf.env['EXTRA_LDFLAGS'],
+ target='liblc',
+ name='liblc')
+
+ try:
+ bld.compile()
+ conf.check_message(msg, '', True)
+ return True
+ except:
+ conf.check_message(msg, '', False)
+ return False
+
+
+@conf
def CHECK_SHLIB_W_PYTHON(conf, msg):
'''check if we need -undefined dynamic_lookup'''