mirror of
https://github.com/netsurf-browser/netsurf
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9e448ebfcd
For some reason, we have to use the __GLIBC_PREREQ macro in a more confined way otherwise the preprocessor gets confused. Signed-off-by: Daniel Silverstone <dsilvers@netsurf-browser.org>
211 lines
5.0 KiB
C
211 lines
5.0 KiB
C
/*
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* Copyright 2003-7 John M Bell <jmb202@ecs.soton.ac.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NETSURF_UTILS_CONFIG_H_
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#define NETSURF_UTILS_CONFIG_H_
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#include <stddef.h>
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#if defined(__NetBSD__)
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#include <sys/param.h>
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#if (defined(__NetBSD_Version__) && __NetBSD_Prereq__(8,0,0))
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#define NetBSD_v8
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#endif
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#endif
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#if defined(__GLIBC__)
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#if __GLIBC_PREREQ(2, 38)
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#define NS_NEW_GLIBC
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#endif
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#endif
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/* Try to detect which features the target OS supports */
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#if (defined(_GNU_SOURCE) && \
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!defined(__APPLE__) || \
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defined(__amigaos4__) || \
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defined(__HAIKU__) || \
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(defined(_POSIX_C_SOURCE) && ((_POSIX_C_SOURCE - 0) >= 200809L)) && \
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!defined(__riscos__))
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#define HAVE_STRNDUP
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#else
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#undef HAVE_STRNDUP
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char *strndup(const char *s, size_t n);
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#endif
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#if ((defined(_GNU_SOURCE) || \
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defined(NS_NEW_GLIBC) || \
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defined(__APPLE__) || \
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defined(__HAIKU__) || \
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defined(__NetBSD__) || \
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defined(__OpenBSD__)) && \
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!defined(__serenity__))
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#define HAVE_STRCASESTR
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#else
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#undef HAVE_STRCASESTR
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char *strcasestr(const char *haystack, const char *needle);
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#endif
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/* Although these platforms might have strftime or strptime they
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* appear not to support the time_t seconds format specifier.
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*/
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#if (defined(_WIN32) || \
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defined(__riscos__) || \
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defined(__HAIKU__) || \
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defined(__BEOS__) || \
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defined(__amigaos4__) || \
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defined(__AMIGA__) || \
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defined(__MINT__))
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#undef HAVE_STRPTIME
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#undef HAVE_STRFTIME
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#else
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#define HAVE_STRPTIME
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#define HAVE_STRFTIME
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#endif
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/* For some reason, UnixLib defines this unconditionally. Assume we're using
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* UnixLib if building for RISC OS.
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*/
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#if ((defined(_GNU_SOURCE) && !defined(__APPLE__)) || \
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defined(NS_NEW_GLIBC) || \
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defined(__riscos__) || \
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defined(NetBSD_v8))
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#define HAVE_STRCHRNUL
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#else
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#undef HAVE_STRCHRNUL
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char *strchrnul(const char *s, int c);
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#endif
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/*
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* amigaos3 declares this but does not have it in its actual library
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*/
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#define HAVE_STRTOULL
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#if !defined(__amigaos4__) && defined(__AMIGA__)
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#undef HAVE_STRTOULL
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#endif
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#define HAVE_SYS_SELECT
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#define HAVE_POSIX_INET_HEADERS
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#if (defined(_WIN32))
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#undef HAVE_SYS_SELECT
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#undef HAVE_POSIX_INET_HEADERS
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#endif
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#define HAVE_INETATON
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#if (defined(_WIN32) || \
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defined(__serenity__))
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#undef HAVE_INETATON
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#endif
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#define HAVE_INETPTON
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#if (defined(_WIN32))
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#undef HAVE_INETPTON
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#endif
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#define HAVE_UTSNAME
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#if (defined(_WIN32))
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#undef HAVE_UTSNAME
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#endif
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#define HAVE_REALPATH
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#if (defined(_WIN32))
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#undef HAVE_REALPATH
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char *realpath(const char *path, char *resolved_path);
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#endif
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#define HAVE_MKDIR
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#if (defined(_WIN32))
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#undef HAVE_MKDIR
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#endif
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#define HAVE_SIGPIPE
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#if (defined(_WIN32))
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#undef HAVE_SIGPIPE
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#endif
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#define HAVE_STDOUT
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#if (defined(_WIN32))
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#undef HAVE_STDOUT
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#endif
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#define HAVE_MMAP
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#if (defined(_WIN32) || defined(__riscos__) || defined(__HAIKU__) || defined(__BEOS__) || defined(__amigaos4__) || defined(__AMIGA__) || defined(__MINT__))
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#undef HAVE_MMAP
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#endif
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#define HAVE_SCANDIR
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#if (defined(_WIN32) || \
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defined(__serenity__))
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#undef HAVE_SCANDIR
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#endif
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#define HAVE_DIRFD
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#define HAVE_UNLINKAT
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#define HAVE_FSTATAT
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#if (defined(_WIN32) || defined(__riscos__) || defined(__HAIKU__) || defined(__BEOS__) || defined(__amigaos4__) || defined(__AMIGA__) || defined(__MINT__))
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#undef HAVE_DIRFD
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#undef HAVE_UNLINKAT
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#undef HAVE_FSTATAT
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#endif
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#define HAVE_REGEX
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#if (defined(__serenity__))
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#undef HAVE_REGEX
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#endif
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/* execinfo available for backtrace */
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#if ((defined(__linux__) && defined(__GLIBC__) && !defined(__UCLIBC__)) || \
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defined(__APPLE__))
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#define HAVE_EXECINFO
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#endif
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/* This section toggles build options on and off.
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* Simply undefine a symbol to turn the relevant feature off.
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*
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* IF ADDING A FEATURE HERE, ADD IT TO Docs/Doxyfile's "PREDEFINED" DEFINITION AS WELL.
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*/
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/* Platform specific features */
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#if defined(riscos)
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/* Theme auto-install */
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#define WITH_THEME_INSTALL
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#elif defined(__HAIKU__) || defined(__BEOS__)
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/* for intptr_t */
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#include <inttypes.h>
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#if defined(__HAIKU__)
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/*not yet: #define WITH_MMAP*/
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#endif
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#if defined(__BEOS__)
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/* Not even BONE has it. */
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#define NO_IPV6 1
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#endif
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#else
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/* We're likely to have a working mmap() */
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#define WITH_MMAP
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#endif
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/* IPv6 */
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#if (defined(__amigaos4__) || \
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defined(__AMIGA__) || \
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defined(nsatari) || \
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defined(__serenity__))
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#define NO_IPV6
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#endif
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#endif
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