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avoid namespace conflicts with __attribute__(…)

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tg
2011-04-09 21:01:03 +00:00
parent e39dea490f
commit 6c45e3e764
5 changed files with 46 additions and 46 deletions
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34
Build.sh
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@ -1,5 +1,5 @@
#!/bin/sh
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.476 2011/04/09 15:14:51 tg Exp $'
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.477 2011/04/09 21:00:58 tg Exp $'
#-
# Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
# Thorsten Glaser <tg@mirbsd.org>
@ -961,7 +961,7 @@ test $ct = pcc && phase=u
#
# Compiler: check for stuff that only generates warnings
#
ac_test attribute_bounded '' 'for __attribute__((bounded))' <<-'EOF'
ac_test attribute_bounded '' 'for __attribute__((__bounded__))' <<-'EOF'
#if defined(__GNUC__) && (__GNUC__ < 2)
/* force a failure: gcc 1.42 has a false positive here */
int main(void) { return (thiswillneverbedefinedIhope()); }
@ -969,15 +969,15 @@ ac_test attribute_bounded '' 'for __attribute__((bounded))' <<-'EOF'
#include <string.h>
#undef __attribute__
int xcopy(const void *, void *, size_t)
__attribute__((bounded (buffer, 1, 3)))
__attribute__((bounded (buffer, 2, 3)));
__attribute__((__bounded__ (__buffer__, 1, 3)))
__attribute__((__bounded__ (__buffer__, 2, 3)));
int main(int ac, char *av[]) { return (xcopy(av[0], av[--ac], 1)); }
int xcopy(const void *s, void *d, size_t n) {
memmove(d, s, n); return ((int)n);
}
#endif
EOF
ac_test attribute_format '' 'for __attribute__((format))' <<-'EOF'
ac_test attribute_format '' 'for __attribute__((__format__))' <<-'EOF'
#if defined(__GNUC__) && (__GNUC__ < 2)
/* force a failure: gcc 1.42 has a false positive here */
int main(void) { return (thiswillneverbedefinedIhope()); }
@ -987,51 +987,51 @@ ac_test attribute_format '' 'for __attribute__((format))' <<-'EOF'
#undef __attribute__
#undef fprintf
extern int fprintf(FILE *, const char *format, ...)
__attribute__((format (printf, 2, 3)));
__attribute__((__format__ (__printf__, 2, 3)));
int main(int ac, char **av) { return (fprintf(stderr, "%s%d", *av, ac)); }
#endif
EOF
ac_test attribute_nonnull '' 'for __attribute__((nonnull))' <<-'EOF'
ac_test attribute_nonnull '' 'for __attribute__((__nonnull__))' <<-'EOF'
#if defined(__GNUC__) && (__GNUC__ < 2)
/* force a failure: gcc 1.42 has a false positive here */
int main(void) { return (thiswillneverbedefinedIhope()); }
#else
int foo(char *s1, char *s2) __attribute__((nonnull));
int bar(char *s1, char *s2) __attribute__((nonnull (1, 2)));
int baz(char *s) __attribute__((nonnull (1)));
int foo(char *s1, char *s2) __attribute__((__nonnull__));
int bar(char *s1, char *s2) __attribute__((__nonnull__ (1, 2)));
int baz(char *s) __attribute__((__nonnull__ (1)));
int foo(char *s1, char *s2) { return (bar(s2, s1)); }
int bar(char *s1, char *s2) { return (baz(s1) - baz(s2)); }
int baz(char *s) { return (*s); }
int main(int ac, char **av) { return (ac == foo(av[0], av[ac-1])); }
#endif
EOF
ac_test attribute_noreturn '' 'for __attribute__((noreturn))' <<-'EOF'
ac_test attribute_noreturn '' 'for __attribute__((__noreturn__))' <<-'EOF'
#if defined(__GNUC__) && (__GNUC__ < 2)
/* force a failure: gcc 1.42 has a false positive here */
int main(void) { return (thiswillneverbedefinedIhope()); }
#else
#include <stdlib.h>
#undef __attribute__
void fnord(void) __attribute__((noreturn));
void fnord(void) __attribute__((__noreturn__));
int main(void) { fnord(); }
void fnord(void) { exit(0); }
#endif
EOF
ac_test attribute_unused '' 'for __attribute__((unused))' <<-'EOF'
ac_test attribute_unused '' 'for __attribute__((__unused__))' <<-'EOF'
#if defined(__GNUC__) && (__GNUC__ < 2)
/* force a failure: gcc 1.42 has a false positive here */
int main(void) { return (thiswillneverbedefinedIhope()); }
#else
int main(int ac __attribute__((unused)), char **av
__attribute__((unused))) { return (0); }
int main(int ac __attribute__((__unused__)), char **av
__attribute__((__unused__))) { return (0); }
#endif
EOF
ac_test attribute_used '' 'for __attribute__((used))' <<-'EOF'
ac_test attribute_used '' 'for __attribute__((__used__))' <<-'EOF'
#if defined(__GNUC__) && (__GNUC__ < 2)
/* force a failure: gcc 1.42 has a false positive here */
int main(void) { return (thiswillneverbedefinedIhope()); }
#else
static const char fnord[] __attribute__((used)) = "42";
static const char fnord[] __attribute__((__used__)) = "42";
int main(void) { return (0); }
#endif
EOF