diff options
| -rw-r--r-- | ChangeLog | 16 | ||||
| -rw-r--r-- | libio/stdio.h | 2 | ||||
| -rw-r--r-- | math/bits/math-finite.h | 8 | ||||
| -rw-r--r-- | misc/sys/cdefs.h | 21 |
4 files changed, 33 insertions, 14 deletions
@@ -1,3 +1,19 @@ +2014-09-16 Siddhesh Poyarekar <siddhesh@redhat.com> + Jakub Jelinek <jakub@redhat.com> + + [BZ #17266] + * libio/stdio.h: Check definition of __fortify_function + instead of __extern_always_inline to include bits/stdio2.h. + * math/bits/math-finite.h [__USE_XOPEN || __USE_ISOC99]: Also + check if __extern_always_inline is defined. + [__USE_MISC || __USE_XOPEN]: Likewise. + [__USE_ISOC99] Likewise. + * misc/sys/cdefs.h (__fortify_function): Define only if + __extern_always_inline is defined. + [!__cplusplus || __GNUC_PREREQ (4,3)]: Revert to defining + __extern_always_inline and __extern_inline only for g++-4.3 + and newer or a compatible gcc. + 2014-09-15 Andreas Schwab <schwab@linux-m68k.org> [BZ #17371] diff --git a/libio/stdio.h b/libio/stdio.h index d8c0bdbab7..1f4f837203 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -932,7 +932,7 @@ extern void funlockfile (FILE *__stream) __THROW; #ifdef __USE_EXTERN_INLINES # include <bits/stdio.h> #endif -#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline +#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function # include <bits/stdio2.h> #endif #ifdef __LDBL_COMPAT diff --git a/math/bits/math-finite.h b/math/bits/math-finite.h index aa755de2e6..0656645cc6 100644 --- a/math/bits/math-finite.h +++ b/math/bits/math-finite.h @@ -251,7 +251,8 @@ extern long double __REDIRECT_NTH (lgammal_r, (long double, int *), # endif #endif -#if defined __USE_XOPEN || defined __USE_ISOC99 +#if ((defined __USE_XOPEN || defined __USE_ISOC99) \ + && defined __extern_always_inline) /* lgamma. */ __extern_always_inline double __NTH (lgamma (double __d)) { @@ -284,7 +285,8 @@ __extern_always_inline long double __NTH (lgammal (long double __d)) # endif #endif -#if defined __USE_MISC || defined __USE_XOPEN +#if ((defined __USE_MISC || defined __USE_XOPEN) \ + && defined __extern_always_inline) /* gamma. */ __extern_always_inline double __NTH (gamma (double __d)) { @@ -422,7 +424,7 @@ extern long double __REDIRECT_NTH (sqrtl, (long double), __sqrtl_finite); # endif #endif -#ifdef __USE_ISOC99 +#if defined __USE_ISOC99 && defined __extern_always_inline /* tgamma. */ extern double __gamma_r_finite (double, int *); __extern_always_inline double __NTH (tgamma (double __d)) diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 04db9563fb..01e81ba9f1 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -131,7 +131,6 @@ /* Fortify support. */ #define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1) #define __bos0(ptr) __builtin_object_size (ptr, 0) -#define __fortify_function __extern_always_inline __attribute_artificial__ #if __GNUC_PREREQ (4,3) # define __warndecl(name, msg) \ @@ -318,12 +317,13 @@ # define __attribute_artificial__ /* Ignore */ #endif -#ifdef __GNUC__ -/* One of these will be defined if the __gnu_inline__ attribute is - available. In C++, __GNUC_GNU_INLINE__ will be defined even though - __inline does not use the GNU inlining rules. If neither macro is - defined, this version of GCC only supports GNU inline semantics. */ -# if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__ +/* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 + inline semantics, unless -fgnu89-inline is used. Using __GNUC_STDC_INLINE__ + or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions + older than 4.3 may define these macros and still not guarantee GNU inlining + semantics. */ +#if !defined __cplusplus || __GNUC_PREREQ (4,3) +# if defined __GNUC_STDC_INLINE__ || defined __cplusplus # define __extern_inline extern __inline __attribute__ ((__gnu_inline__)) # define __extern_always_inline \ extern __always_inline __attribute__ ((__gnu_inline__)) @@ -331,9 +331,10 @@ # define __extern_inline extern __inline # define __extern_always_inline extern __always_inline # endif -#else /* Not GCC. */ -# define __extern_inline /* Ignore */ -# define __extern_always_inline /* Ignore */ +#endif + +#ifdef __extern_always_inline +# define __fortify_function __extern_always_inline __attribute_artificial__ #endif /* GCC 4.3 and above allow passing all anonymous arguments of an |