def SAMBA_CONFIG_H(conf, path=None):
'''write out config.h in the right directory'''
# we don't want to produce a config.h in places like lib/replace
# when we are building projects that depend on lib/replace
if not IN_LAUNCH_DIR(conf):
return
# we need to build real code that can't be optimized away to test
if conf.check(fragment='''
#include <stdio.h>
int main(void)
{
char t[100000];
while (fgets(t, sizeof(t), stdin));
return 0;
}
''',
execute=0,
ccflags='-fstack-protector',
ldflags='-fstack-protector',
mandatory=False,
msg='Checking if toolchain accepts -fstack-protector'):
conf.ADD_CFLAGS('-fstack-protector')
conf.ADD_LDFLAGS('-fstack-protector')
if Options.options.debug:
conf.ADD_CFLAGS('-g', testflags=True)
if Options.options.developer:
conf.env.DEVELOPER_MODE = True
conf.ADD_CFLAGS('-g', testflags=True)
conf.ADD_CFLAGS('-Wall', testflags=True)
conf.ADD_CFLAGS('-Wshadow', testflags=True)
conf.ADD_CFLAGS('-Wmissing-prototypes', testflags=True)
conf.ADD_CFLAGS('-Wcast-align -Wcast-qual', testflags=True)
conf.ADD_CFLAGS('-fno-common', testflags=True)
conf.ADD_CFLAGS('-Werror=address', testflags=True)
# we add these here to ensure that -Wstrict-prototypes is not set during configure
conf.ADD_CFLAGS('-Werror=strict-prototypes -Wstrict-prototypes',
testflags=True)
conf.ADD_CFLAGS('-Werror=write-strings -Wwrite-strings',
testflags=True)
conf.ADD_CFLAGS('-Werror-implicit-function-declaration',
testflags=True)
conf.ADD_CFLAGS('-Werror=pointer-arith -Wpointer-arith',
testflags=True)
conf.ADD_CFLAGS(
'-Werror=declaration-after-statement -Wdeclaration-after-statement',
testflags=True)
conf.ADD_CFLAGS('-Werror=return-type -Wreturn-type', testflags=True)
conf.ADD_CFLAGS('-Werror=uninitialized -Wuninitialized',
testflags=True)
conf.ADD_CFLAGS('-Wformat=2 -Wno-format-y2k', testflags=True)
conf.ADD_CFLAGS('-Werror=format-security -Wformat-security',
testflags=True)
# This check is because for ldb_search(), a NULL format string
# is not an error, but some compilers complain about that.
if CHECK_CFLAGS(
conf, ["-Werror=format", "-Wformat=2"], '''
int testformat(char *format, ...) __attribute__ ((format (__printf__, 1, 2)));
int main(void) {
testformat(0);
return 0;
}
'''):
if not 'EXTRA_CFLAGS' in conf.env:
conf.env['EXTRA_CFLAGS'] = []
conf.env['EXTRA_CFLAGS'].extend(TO_LIST("-Werror=format"))
if Options.options.picky_developer:
conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS',
'-Werror -Wno-error=deprecated-declarations',
testflags=True)
conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS',
'-Wno-error=tautological-compare',
testflags=True)
if Options.options.fatal_errors:
conf.ADD_CFLAGS('-Wfatal-errors', testflags=True)
if Options.options.pedantic:
conf.ADD_CFLAGS('-W', testflags=True)
if Options.options.address_sanitizer:
conf.ADD_CFLAGS('-fno-omit-frame-pointer -O1 -fsanitize=address',
testflags=True)
conf.ADD_LDFLAGS('-fsanitize=address', testflags=True)
conf.env['ADDRESS_SANITIZER'] = True
# Let people pass an additional ADDITIONAL_{CFLAGS,LDFLAGS}
# environment variables which are only used the for final build.
#
# The CFLAGS and LDFLAGS environment variables are also
# used for the configure checks which might impact their results.
conf.add_os_flags('ADDITIONAL_CFLAGS')
if conf.env.ADDITIONAL_CFLAGS and conf.CHECK_CFLAGS(
conf.env['ADDITIONAL_CFLAGS']):
conf.env['EXTRA_CFLAGS'].extend(conf.env['ADDITIONAL_CFLAGS'])
conf.add_os_flags('ADDITIONAL_LDFLAGS')
if conf.env.ADDITIONAL_LDFLAGS and conf.CHECK_LDFLAGS(
conf.env['ADDITIONAL_LDFLAGS']):
conf.env['EXTRA_LDFLAGS'].extend(conf.env['ADDITIONAL_LDFLAGS'])
if path is None:
conf.write_config_header('config.h', top=True)
else:
conf.write_config_header(path)
conf.SAMBA_CROSS_CHECK_COMPLETE()
def SAMBA_CONFIG_H(conf, path=None):
'''write out config.h in the right directory'''
# we don't want to produce a config.h in places like lib/replace
# when we are building projects that depend on lib/replace
if not IN_LAUNCH_DIR(conf):
return
if conf.CHECK_CFLAGS(['-fstack-protector']) and conf.CHECK_LDFLAGS(
['-fstack-protector']):
conf.ADD_CFLAGS('-fstack-protector')
conf.ADD_LDFLAGS('-fstack-protector')
if Options.options.debug:
conf.ADD_CFLAGS('-g', testflags=True)
if Options.options.developer:
conf.env.DEVELOPER_MODE = True
conf.ADD_CFLAGS('-g', testflags=True)
conf.ADD_CFLAGS('-Wall', testflags=True)
conf.ADD_CFLAGS('-Wshadow', testflags=True)
conf.ADD_CFLAGS('-Wmissing-prototypes', testflags=True)
conf.ADD_CFLAGS('-Wcast-align -Wcast-qual', testflags=True)
conf.ADD_CFLAGS('-fno-common', testflags=True)
conf.ADD_CFLAGS('-Werror=address', testflags=True)
# we add these here to ensure that -Wstrict-prototypes is not set during configure
conf.ADD_CFLAGS('-Werror=strict-prototypes -Wstrict-prototypes',
testflags=True)
conf.ADD_CFLAGS('-Werror=write-strings -Wwrite-strings',
testflags=True)
conf.ADD_CFLAGS('-Werror-implicit-function-declaration',
testflags=True)
conf.ADD_CFLAGS('-Werror=pointer-arith -Wpointer-arith',
testflags=True)
conf.ADD_CFLAGS(
'-Werror=declaration-after-statement -Wdeclaration-after-statement',
testflags=True)
conf.ADD_CFLAGS('-Werror=return-type -Wreturn-type', testflags=True)
conf.ADD_CFLAGS('-Wformat=2 -Wno-format-y2k', testflags=True)
# This check is because for ldb_search(), a NULL format string
# is not an error, but some compilers complain about that.
if CHECK_CFLAGS(
conf, ["-Werror=format", "-Wformat=2"], '''
int testformat(char *format, ...) __attribute__ ((format (__printf__, 1, 2)));
int main(void) {
testformat(0);
return 0;
}
'''):
if not 'EXTRA_CFLAGS' in conf.env:
conf.env['EXTRA_CFLAGS'] = []
conf.env['EXTRA_CFLAGS'].extend(TO_LIST("-Werror=format"))
if Options.options.picky_developer:
conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS', '-Werror', testflags=True)
if Options.options.fatal_errors:
conf.ADD_CFLAGS('-Wfatal-errors', testflags=True)
if Options.options.pedantic:
conf.ADD_CFLAGS('-W', testflags=True)
# Let people pass an additional ADDITIONAL_{CFLAGS,LDFLAGS}
# environment variables which are only used the for final build.
#
# The CFLAGS and LDFLAGS environment variables are also
# used for the configure checks which might impact their results.
conf.add_os_flags('ADDITIONAL_CFLAGS')
if conf.env.ADDITIONAL_CFLAGS and conf.CHECK_CFLAGS(
conf.env['ADDITIONAL_CFLAGS']):
conf.env['EXTRA_CFLAGS'].extend(conf.env['ADDITIONAL_CFLAGS'])
conf.add_os_flags('ADDITIONAL_LDFLAGS')
if conf.env.ADDITIONAL_LDFLAGS and conf.CHECK_LDFLAGS(
conf.env['ADDITIONAL_LDFLAGS']):
conf.env['EXTRA_LDFLAGS'].extend(conf.env['ADDITIONAL_LDFLAGS'])
if path is None:
conf.write_config_header('config.h', top=True)
else:
conf.write_config_header(path)
conf.SAMBA_CROSS_CHECK_COMPLETE()