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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2020-06-22 20:00:38 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2020-06-22 20:00:38 +0000 |
| commit | 1542428e49efefc79fdacc5797aee55722164987 (patch) | |
| tree | c5f0a628164575199aecebcebf108a089efa1aad /configure | |
| parent | e6e331420a7d737bb26d35ecef4180cc569577a4 (diff) | |
| download | mandoc-1542428e49efefc79fdacc5797aee55722164987.tar.gz mandoc-1542428e49efefc79fdacc5797aee55722164987.tar.zst mandoc-1542428e49efefc79fdacc5797aee55722164987.zip | |
Provide a real feature test for __attribute__().
Looking at version numbers like __GNUC__ is always a bad idea.
Believe it or not, this even makes ./configure shorter by one line.
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -1,6 +1,6 @@ #!/bin/sh # -# $Id: configure,v 1.75 2020/06/15 01:37:15 schwarze Exp $ +# $Id: configure,v 1.76 2020/06/22 20:00:38 schwarze Exp $ # # Copyright (c) 2014-2020 Ingo Schwarze <schwarze@openbsd.org> # @@ -55,6 +55,7 @@ BUILD_CGI=0 BUILD_CATMAN=0 INSTALL_LIBMANDOC=0 +HAVE_ATTRIBUTE= HAVE_CMSG= HAVE_DIRENT_NAMLEN= HAVE_EFTYPE= @@ -294,6 +295,7 @@ fi # --- tests for config.h ---------------------------------------------- # --- library functions --- +runtest attribute ATTRIBUTE || true runtest cmsg CMSG "" "-D_XPG4_2" || true runtest dirent-namlen DIRENT_NAMLEN || true runtest be32toh ENDIAN || true @@ -422,10 +424,6 @@ cat << __HEREDOC__ #error "Do not use C++. See the INSTALL file." #endif -#if !defined(__GNUC__) || (__GNUC__ < 4) -#define __attribute__(x) -#endif - __HEREDOC__ [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE" @@ -447,6 +445,7 @@ echo "#define OSENUM ${OSENUM}" [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\"" [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\"" [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\"" +[ ${HAVE_ATTRIBUTE} -eq 0 ] && echo "#define __attribute__(x)" [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL" [ ${HAVE_O_DIRECTORY} -eq 0 ] && echo "#define O_DIRECTORY 0" [ ${HAVE_PATH_MAX} -eq 0 ] && echo "#define PATH_MAX 4096" |