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36353a9fc3
Solaris has no err.h, so use CCAN replacement. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Autobuild-User(master): Rusty Russell <rusty@rustcorp.com.au> Autobuild-Date(master): Sat Jun 9 12:07:15 CEST 2012 on sn-devel-104
139 lines
6.7 KiB
Python
139 lines
6.7 KiB
Python
#!/usr/bin/env python
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import Logs, sys, Options
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def configure(conf):
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conf.DEFINE('HAVE_CCAN', 1)
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# FIXME: if they don't have -Werror, these will all fail. But they
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# probably will anyway...
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conf.CHECK_CODE('int __attribute__((cold)) func(int x) { return x; }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_ATTRIBUTE_COLD')
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conf.CHECK_CODE('int __attribute__((const)) func(int x) { return x; }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_ATTRIBUTE_CONST')
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conf.CHECK_CODE('void __attribute__((noreturn)) func(int x) { exit(x); }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_ATTRIBUTE_NORETURN')
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conf.CHECK_CODE('void __attribute__((format(__printf__, 1, 2))) func(const char *fmt, ...) { }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_ATTRIBUTE_PRINTF')
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conf.CHECK_CODE('int __attribute__((unused)) func(int x) { return x; }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_ATTRIBUTE_UNUSED')
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conf.CHECK_CODE('int __attribute__((used)) func(int x) { return x; }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_ATTRIBUTE_USED')
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# We try to use headers for a compile-time test.
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conf.CHECK_CODE(code = """#ifdef __BYTE_ORDER
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#define B __BYTE_ORDER
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#elif defined(BYTE_ORDER)
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#define B BYTE_ORDER
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#endif
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#ifdef __LITTLE_ENDIAN
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#define LITTLE __LITTLE_ENDIAN
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#elif defined(LITTLE_ENDIAN)
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#define LITTLE LITTLE_ENDIAN
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#endif
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#if !defined(LITTLE) || !defined(B) || LITTLE != B
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#error Not little endian.
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#endif""",
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headers="endian.h sys/endian.h",
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define="HAVE_LITTLE_ENDIAN")
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conf.CHECK_CODE(code = """#ifdef __BYTE_ORDER
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#define B __BYTE_ORDER
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#elif defined(BYTE_ORDER)
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#define B BYTE_ORDER
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#endif
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#ifdef __BIG_ENDIAN
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#define BIG __BIG_ENDIAN
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#elif defined(BIG_ENDIAN)
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#define BIG BIG_ENDIAN
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#endif
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#if !defined(BIG) || !defined(B) || BIG != B
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#error Not big endian.
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#endif""",
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headers="endian.h sys/endian.h",
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define="HAVE_BIG_ENDIAN")
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if not conf.CONFIG_SET("HAVE_BIG_ENDIAN") and not conf.CONFIG_SET("HAVE_LITTLE_ENDIAN"):
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# That didn't work! Do runtime test.
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conf.CHECK_CODE("""union { int i; char c[sizeof(int)]; } u;
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u.i = 0x01020304;
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return u.c[0] == 0x04 && u.c[1] == 0x03 && u.c[2] == 0x02 && u.c[3] == 0x01 ? 0 : 1;""",
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addmain=True, execute=True,
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define='HAVE_LITTLE_ENDIAN',
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msg="Checking for HAVE_LITTLE_ENDIAN - runtime")
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conf.CHECK_CODE("""union { int i; char c[sizeof(int)]; } u;
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u.i = 0x01020304;
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return u.c[0] == 0x01 && u.c[1] == 0x02 && u.c[2] == 0x03 && u.c[3] == 0x04 ? 0 : 1;""",
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addmain=True, execute=True,
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define='HAVE_BIG_ENDIAN',
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msg="Checking for HAVE_BIG_ENDIAN - runtime")
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# Extra sanity check.
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if conf.CONFIG_SET("HAVE_BIG_ENDIAN") == conf.CONFIG_SET("HAVE_LITTLE_ENDIAN"):
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Logs.error("Failed endian determination. The PDP-11 is back?")
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sys.exit(1)
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conf.CHECK_CODE('return __builtin_choose_expr(1, 0, "garbage");',
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link=True,
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define='HAVE_BUILTIN_CHOOSE_EXPR')
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conf.CHECK_CODE('return __builtin_clz(1) == (sizeof(int)*8 - 1) ? 0 : 1;',
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link=True,
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define='HAVE_BUILTIN_CLZ')
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conf.CHECK_CODE('return __builtin_clzl(1) == (sizeof(long)*8 - 1) ? 0 : 1;',
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link=True,
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define='HAVE_BUILTIN_CLZL')
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conf.CHECK_CODE('return __builtin_clzll(1) == (sizeof(long long)*8 - 1) ? 0 : 1;',
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link=True,
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define='HAVE_BUILTIN_CLZLL')
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conf.CHECK_CODE('return __builtin_constant_p(1) ? 0 : 1;',
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link=True,
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define='HAVE_BUILTIN_CONSTANT_P')
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conf.CHECK_CODE('return __builtin_expect(main != 0, 1) ? 0 : 1;',
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link=True,
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define='HAVE_BUILTIN_EXPECT')
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conf.CHECK_CODE('return __builtin_popcountl(255L) == 8 ? 0 : 1;',
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link=True,
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define='HAVE_BUILTIN_POPCOUNTL')
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conf.CHECK_CODE('return __builtin_types_compatible_p(char *, int) ? 1 : 0;',
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link=True,
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define='HAVE_BUILTIN_TYPES_COMPATIBLE_P')
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conf.CHECK_CODE('int *foo = (int[]) { 1, 2, 3, 4 }; return foo[0] ? 0 : 1;',
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define='HAVE_COMPOUND_LITERALS')
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conf.CHECK_CODE("""#include <ctype.h>
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int main(void) { return isblank(' ') ? 0 : 1; }""",
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link=True, addmain=False, add_headers=False,
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define='HAVE_ISBLANK')
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conf.CHECK_CODE('int x = 1; __typeof__(x) i; i = x; return i == x ? 0 : 1;',
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link=True,
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define='HAVE_TYPEOF')
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conf.CHECK_CODE('int __attribute__((warn_unused_result)) func(int x) { return x; }',
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addmain=False, link=False, cflags="-Werror",
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define='HAVE_WARN_UNUSED_RESULT')
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# backtrace could be in libexecinfo or in libc
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conf.CHECK_FUNCS_IN('backtrace backtrace_symbols', 'execinfo', checklibc=True, headers='execinfo.h')
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def build(bld):
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for ccan_dir in ["err", "hash", "htable", "ilog", "likely", "list", "read_write_all", "str", "tally", "time"]:
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bld.SAMBA_SUBSYSTEM('ccan-%s' % ccan_dir,
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source=bld.path.ant_glob('%s/*.c' % ccan_dir))
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if bld.env.DEVELOPER_MODE:
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bld.SAMBA_LIBRARY('ccan-failtest',
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source=bld.path.ant_glob('failtest/*.c'),
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deps='execinfo ccan ccan-htable ccan-list ccan-read_write_all ccan-time',
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private_library=True)
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bld.SAMBA_LIBRARY('ccan',
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source='',
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deps='ccan-err ccan-hash ccan-ilog ccan-likely ccan-tally',
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private_library=True)
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