ref: 4dd7816b6654077a8e96af1c9ae5d621c143199e
dir: /waflib/Tools/c_tests.py/
#! /usr/bin/env python # encoding: utf-8 # WARNING! Do not edit! http://waf.googlecode.com/git/docs/wafbook/single.html#_obtaining_the_waf_file from waflib import Task from waflib.Configure import conf from waflib.TaskGen import feature,before_method,after_method import sys LIB_CODE=''' #ifdef _MSC_VER #define testEXPORT __declspec(dllexport) #else #define testEXPORT #endif testEXPORT int lib_func(void) { return 9; } ''' MAIN_CODE=''' #ifdef _MSC_VER #define testEXPORT __declspec(dllimport) #else #define testEXPORT #endif testEXPORT int lib_func(void); int main(int argc, char **argv) { (void)argc; (void)argv; return !(lib_func() == 9); } ''' @feature('link_lib_test') @before_method('process_source') def link_lib_test_fun(self): def write_test_file(task): task.outputs[0].write(task.generator.code) rpath=[] if getattr(self,'add_rpath',False): rpath=[self.bld.path.get_bld().abspath()] mode=self.mode m='%s %s'%(mode,mode) ex=self.test_exec and'test_exec'or'' bld=self.bld bld(rule=write_test_file,target='test.'+mode,code=LIB_CODE) bld(rule=write_test_file,target='main.'+mode,code=MAIN_CODE) bld(features='%sshlib'%m,source='test.'+mode,target='test') bld(features='%sprogram %s'%(m,ex),source='main.'+mode,target='app',use='test',rpath=rpath) @conf def check_library(self,mode=None,test_exec=True): if not mode: mode='c' if self.env.CXX: mode='cxx' self.check(compile_filename=[],features='link_lib_test',msg='Checking for libraries',mode=mode,test_exec=test_exec,) INLINE_CODE=''' typedef int foo_t; static %s foo_t static_foo () {return 0; } %s foo_t foo () { return 0; } ''' INLINE_VALUES=['inline','__inline__','__inline'] @conf def check_inline(self,**kw): self.start_msg('Checking for inline') if not'define_name'in kw: kw['define_name']='INLINE_MACRO' if not'features'in kw: if self.env.CXX: kw['features']=['cxx'] else: kw['features']=['c'] for x in INLINE_VALUES: kw['fragment']=INLINE_CODE%(x,x) try: self.check(**kw) except self.errors.ConfigurationError: continue else: self.end_msg(x) if x!='inline': self.define('inline',x,quote=False) return x self.fatal('could not use inline functions') LARGE_FRAGMENT='''#include <unistd.h> int main(int argc, char **argv) { (void)argc; (void)argv; return !(sizeof(off_t) >= 8); } ''' @conf def check_large_file(self,**kw): if not'define_name'in kw: kw['define_name']='HAVE_LARGEFILE' if not'execute'in kw: kw['execute']=True if not'features'in kw: if self.env.CXX: kw['features']=['cxx','cxxprogram'] else: kw['features']=['c','cprogram'] kw['fragment']=LARGE_FRAGMENT kw['msg']='Checking for large file support' ret=True try: if self.env.DEST_BINFMT!='pe': ret=self.check(**kw) except self.errors.ConfigurationError: pass else: if ret: return True kw['msg']='Checking for -D_FILE_OFFSET_BITS=64' kw['defines']=['_FILE_OFFSET_BITS=64'] try: ret=self.check(**kw) except self.errors.ConfigurationError: pass else: self.define('_FILE_OFFSET_BITS',64) return ret self.fatal('There is no support for large files') ENDIAN_FRAGMENT=''' short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; int use_ascii (int i) { return ascii_mm[i] + ascii_ii[i]; } short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; int use_ebcdic (int i) { return ebcdic_mm[i] + ebcdic_ii[i]; } extern int foo; ''' class grep_for_endianness(Task.Task): color='PINK' def run(self): txt=self.inputs[0].read(flags='rb').decode('iso8859-1') if txt.find('LiTTleEnDian')>-1: self.generator.tmp.append('little') elif txt.find('BIGenDianSyS')>-1: self.generator.tmp.append('big') else: return-1 @feature('grep_for_endianness') @after_method('process_source') def grep_for_endianness_fun(self): self.create_task('grep_for_endianness',self.compiled_tasks[0].outputs[0]) @conf def check_endianness(self): tmp=[] def check_msg(self): return tmp[0] self.check(fragment=ENDIAN_FRAGMENT,features='c grep_for_endianness',msg="Checking for endianness",define='ENDIANNESS',tmp=tmp,okmsg=check_msg) return tmp[0]