+2022-01-17 Paul Eggert <eggert@cs.ucla.edu>
+
+ extern-inline: improve macOS port
+ * m4/extern-inline.m4 (gl_EXTERN_INLINE):
+ Define HAVE___HEADER_INLINE at configure-time, so that config.h
+ knows the workaround is not needed even though ctype.h has not yet
+ been included. This lets the compiler use extern inline functions
+ on newer macOS platforms, instead of static inline.
+ Problem reported by Reuben Thomas in:
+ https://lists.gnu.org/r/bug-gnulib/2022-01/msg00130.html
+
2022-01-17 Bruno Haible <bruno@clisp.org>
xstrtol: Trim dependencies.
AC_DEFUN([gl_EXTERN_INLINE],
[
- AH_VERBATIM([extern_inline],
+ AC_CACHE_CHECK([whether ctype.h defines __header_inline],
+ [gl_cv_have___header_inline],
+ [AC_PREPROC_IFELSE(
+ [AC_LANG_SOURCE([[#include <ctype.h>
+ #ifndef __header_inline
+ #error "<ctype.h> does not define __header_inline"
+ #endif
+ ]])],
+ [gl_cv_have___header_inline=yes],
+ [gl_cv_have___header_inline=no])])
+ if test "$gl_cv_have___header_inline" = yes; then
+ AC_DEFINE([HAVE___HEADER_INLINE], [1],
+ [Define to 1 if ctype.h defines __header_inline.])
+ fi
+
+ AH_VERBATIM([HAVE___HEADER_INLINE_1],
[/* Please see the Gnulib manual for how to use these macros.
Suppress extern inline with HP-UX cc, as it appears to be broken; see
*/
#if (((defined __APPLE__ && defined __MACH__) \
|| defined __DragonFly__ || defined __FreeBSD__) \
- && (defined __header_inline \
+ && (defined HAVE___HEADER_INLINE \
? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \
&& ! defined __clang__) \
: ((! defined _DONT_USE_CTYPE_INLINE_ \