dnl Copyright (c) 2002 Leon Bottou and Yann Le Cun. dnl Copyright (c) 2001 AT&T dnl dnl Most of these macros are derived from macros listed dnl at the GNU Autoconf Macro Archive dnl http://www.gnu.org/software/ac-archive/ dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA02111 USA dnl dnl ------------------------------------------------------- dnl @synopsis AC_CHECK_CXX_OPT(OPTION, dnl ACTION-IF-OKAY,ACTION-IF-NOT-OKAY) dnl Check if compiler accepts option OPTION. dnl ------------------------------------------------------- AC_DEFUN([AC_CHECK_CXX_OPT],[ opt="$1" AC_MSG_CHECKING([if $CXX accepts $opt]) echo 'void f(){}' > conftest.cc if test -z "`${CXX} ${CXXFLAGS} ${OPTS} $opt -c conftest.cc 2>&1`"; then AC_MSG_RESULT(yes) rm conftest.* $2 else AC_MSG_RESULT(no) rm conftest.* $3 fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_MEMBER_TEMPLATES dnl If the compiler supports member templates, dnl define HAVE_MEMBER_TEMPLATES. dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_MEMBER_TEMPLATES], [AC_CACHE_CHECK(whether the compiler supports member templates, ac_cv_cxx_member_templates, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([ template class A { public: template A operator=(const A& z) { return A(); } };],[A x; A y; x = y; return 0;], ac_cv_cxx_member_templates=yes, ac_cv_cxx_member_templates=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_member_templates" = yes; then AC_DEFINE(HAVE_MEMBER_TEMPLATES,1, [define if the compiler supports member templates]) fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_NAMESPACES dnl Define HAVE_NAMESPACES if the compiler supports dnl namespaces. dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_NAMESPACES], [AC_CACHE_CHECK(whether the compiler implements namespaces, ac_cv_cxx_namespaces, [ AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}], [using namespace Outer::Inner; return i;], ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_namespaces" = yes && test "$ac_debug" = no; then AC_DEFINE(HAVE_NAMESPACES,1, [define if the compiler implements namespaces]) fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_TYPENAME dnl Define HAVE_TYPENAME if the compiler recognizes dnl keyword typename. dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_TYPENAME], [AC_CACHE_CHECK(whether the compiler recognizes typename, ac_cv_cxx_typename, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([templateclass X {public:X(){}};], [X z; return 0;], ac_cv_cxx_typename=yes, ac_cv_cxx_typename=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_typename" = yes; then AC_DEFINE(HAVE_TYPENAME,1,[define if the compiler recognizes typename]) fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_STDINCLUDES dnl Define HAVE_STDINCLUDES if the compiler has the dnl new style include files (without the .h) dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_STDINCLUDES], [AC_CACHE_CHECK(whether the compiler comes with standard includes, ac_cv_cxx_stdincludes, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([#include struct X { int a; X(int a):a(a){}; }; X* foo(void *x) { return new(x) X(2); } ],[], ac_cv_cxx_stdincludes=yes, ac_cv_cxx_stdincludes=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_stdincludes" = yes; then AC_DEFINE(HAVE_STDINCLUDES,1, [define if the compiler comes with standard includes]) fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_BOOL dnl If the compiler recognizes bool as a separate built-in type, dnl define HAVE_BOOL. Note that a typedef is not a separate dnl type since you cannot overload a function such that it dnl accepts either the basic type or the typedef. dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_BOOL], [AC_CACHE_CHECK(whether the compiler recognizes bool as a built-in type, ac_cv_cxx_bool, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([ int f(int x){return 1;} int f(char x){return 1;} int f(bool x){return 1;} ],[bool b = true; return f(b);], ac_cv_cxx_bool=yes, ac_cv_cxx_bool=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_bool" = yes; then AC_DEFINE(HAVE_BOOL,1,[define if bool is a built-in type]) fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_EXCEPTIONS dnl If the C++ compiler supports exceptions handling (try, dnl throw and catch), define HAVE_EXCEPTIONS. dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_EXCEPTIONS], [AC_CACHE_CHECK(whether the compiler supports exceptions, ac_cv_cxx_exceptions, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE(,[try { throw 1; } catch (int i) { return i; }], ac_cv_cxx_exceptions=yes, ac_cv_cxx_exceptions=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_exceptions" = yes; then AC_DEFINE(HAVE_EXCEPTIONS,1,[define if the compiler supports exceptions]) fi ]) dnl ------------------------------------------------------- dnl @synopsis AC_CXX_RPO dnl Defines option --enable-rpo and searches program RPO. dnl Set output variables CXXRPOFLAGS and RPO. dnl ------------------------------------------------------- AC_DEFUN([AC_CXX_RPO], [ CXXRPOFLAGS= RPO_YES='#' RPO_NO='' if test x$GXX = xyes ; then AC_ARG_ENABLE([rpo], AC_HELP_STRING([--enable-rpo], [Enable compilation with option -frepo]), [ac_rpo=$enableval], [ac_rpo=no] ) if test x$ac_rpo != xno ; then CXXRPOFLAGS='-frepo -fno-rtti' RPO_YES='' RPO_NO='#' fi fi AC_SUBST(CXXRPOFLAGS) AC_SUBST(RPO_YES) AC_SUBST(RPO_NO) ]) dnl ------------------------------------------------------------------ dnl @synopsis AC_PATH_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) dnl This macro figures out how to build C programs using POSIX dnl threads. It sets the PTHREAD_LIBS output variable to the threads dnl library and linker flags, and the PTHREAD_CFLAGS output variable dnl to any special C compiler flags that are needed. (The user can also dnl force certain compiler flags/libs to be tested by setting these dnl environment variables.). dnl ------------------------------------------------------------------ AC_DEFUN([AC_PATH_PTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) acx_pthread_ok=no # First, check if the POSIX threads header, pthread.h, is available. # If it isn't, don't bother looking for the threads libraries. KDE_CHECK_HEADER(pthread.h, , acx_pthread_ok=noheader) # We must check for the threads library under a number of different # names; the ordering is very important because some systems # (e.g. DEC) have both -lpthread and -lpthreads, where one of the # libraries is broken (non-POSIX). # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works. if test x${PTHREAD_LIBS+set} = xset || test x${PTHREAD_CFLAGS+set} = xset ; then save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS" save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_CHECKING([provided PTHREAD_LIBS/PTHREAD_CFLAGS.]) AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes) AC_MSG_RESULT($acx_pthread_ok) if test x"$acx_pthread_ok" = xno; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" CXXFLAGS="$save_CXXFLAGS" fi # Create a list of thread flags to try. Items starting with a "-" are # C compiler flags, and other items are library names, except for "none" # which indicates that we try without any flags at all. acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt" # The ordering *is* (sometimes) important. # Some notes on the individual items follow: # pthreads: AIX (must check this before -lpthread) # none: in case threads are in libc; should be tried before -Kthread and # other compiler flags to prevent continual compiler warnings # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) # -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) # -pthreads: Solaris/gcc # -mthreads: Mingw32/gcc, Lynx/gcc # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it # doesn't hurt to check since this sometimes defines pthreads too; # also defines -D_REENTRANT) # pthread: Linux, etcetera # --thread-safe: KAI C++ case "${host_cpu}-${host_os}" in *solaris*) # On Solaris (at least, for some versions), libc contains stubbed # (non-functional) versions of the pthreads routines, so link-based # tests will erroneously succeed. (We need to link with -pthread or # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather # a function called by this macro, so we could check for that, but # who knows whether they'll stub that too in a future libc.) So, # we'll just look for -pthreads and -lpthread first: acx_pthread_flags="-pthread -pthreads pthread -mt $acx_pthread_flags" ;; esac if test x"$acx_pthread_ok" = xno; then for flag in $acx_pthread_flags; do case $flag in none) AC_MSG_CHECKING([whether pthreads work without any flags]) ;; -*) AC_MSG_CHECKING([whether pthreads work with $flag]) PTHREAD_CFLAGS="$flag" ;; *) AC_MSG_CHECKING([for the pthreads library -l$flag]) PTHREAD_LIBS="-l$flag" ;; esac save_LIBS="$LIBS" save_CFLAGS="$CFLAGS" save_CXXFLAGS="$CXXFLAGS" LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we # need a special flag -Kthread to make this header compile.) # We check for pthread_join because it is in -lpthread on IRIX # while pthread_create is in libc. We check for pthread_attr_init # due to DEC craziness with -lpthreads. We check for # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. AC_TRY_LINK([#include ], [pthread_t th; pthread_join(th, 0); pthread_attr_init(0); pthread_cleanup_push(0, 0); pthread_create(0,0,0,0); pthread_cleanup_pop(0); ], [acx_pthread_ok=yes]) LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" CXXFLAGS="$save_CXXFLAGS" AC_MSG_RESULT($acx_pthread_ok) if test "x$acx_pthread_ok" = xyes; then break; fi PTHREAD_LIBS="" PTHREAD_CFLAGS="" done fi # Various other checks: if test "x$acx_pthread_ok" = xyes; then save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS" AC_MSG_CHECKING([if more special flags are required for pthreads]) flag=no case "${host_cpu}-${host_os}" in *-aix* | *-freebsd*) flag="-D_THREAD_SAFE";; *solaris* | alpha*-osf*) flag="-D_REENTRANT";; esac AC_MSG_RESULT(${flag}) if test "x$flag" != xno; then PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" CXXFLAGS="$save_CXXFLAGS" fi AC_ARG_VAR(PTHREAD_LIBS, [Flags for linking pthread programs.]) AC_ARG_VAR(PTHREAD_CFLAGS, [Flags for compiling pthread programs.]) # execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: if test x"$acx_pthread_ok" = xyes; then AC_DEFINE(HAVE_PTHREAD,1,[Define if pthreads are available]) ifelse([$1],,:,[$1]) else ifelse([$2],,:,[$2]) fi ]) dnl ------------------------------------------------------------------ dnl @synopsis AC_PATH_COTHREADS([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) dnl Define HAVE_COTHREAD if cothreads can be used. dnl Define HAVE_COTHREAD_PATCH if cothread libgcc patch is available dnl ------------------------------------------------------------------ AC_DEFUN([AC_PATH_COTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) acx_cothread=no if test x$GXX = xyes ; then AC_MSG_CHECKING([whether cothreads work with ${host_cpu}]) case ${host_cpu} in i?86|powerpc*|mips*|alpha*|hppa*) acx_cothread=yes ;; esac AC_MSG_RESULT($acx_cothread) fi if test x$acx_cothread != xno ; then AC_MSG_CHECKING([whether libgcc contains the cothread patch]) AC_LANG_PUSH([C++]) kde_save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $tqt_includes" AC_TRY_LINK([extern "C" { void *(*__get_eh_context_ptr)(); void *__new_eh_context(void); }], [ __get_eh_context_ptr = &__new_eh_context;], [acx_cothread_patch=yes], [acx_cothread_patch=no]) CXXFLAGS="$kde_save_CXXFLAGS" AC_LANG_POP([C++]) AC_MSG_RESULT($acx_cothread_patch) if test x$acx_cothread_patch = xno ; then AC_MSG_CHECKING([if the cothread patch is critical]) echo 'void foo() { throw "Hello"; }' > conftest.cc compile="$CXX $CXXFLAGS -c conftest.cc" check="nm conftest.o | grep sjthrow | cat > conftest.out" acx_cothread_patch=yes if AC_TRY_EVAL(compile) && AC_TRY_EVAL(check) ; then if test -z "`cat conftest.out`" ; then acx_cothread_patch=no fi fi AC_MSG_RESULT($acx_cothread_patch) rm conftest.* if test x$acx_cothread_patch = xyes ; then acx_cothread=no AC_MSG_WARN([Cothread cannot work without the patch]) else AC_MSG_WARN([Applying the patch is recommended anyway]) fi AC_MSG_WARN([See the INSTALL file for more information]) fi fi # Must do. if test x$acx_cothread = xyes ; then AC_DEFINE(HAVE_COTHREAD,1, [Define if cothreads are available.]) if test x$acx_cothread_patch = xyes ; then AC_DEFINE(HAVE_COTHREAD_PATCH,1, [Define if libgcc contains the cothread patch.]) fi ifelse([$1],,:,[$1]) else ifelse([$2],,:,[$2]) fi ]) dnl ------------------------------------------------------------------ dnl @synopsis AC_PATH_THREADS([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) dnl Process optional option --enable-threads dnl Check availability of pthreads or cothreads dnl using AC_PATH_PTHREAD and AC_PATH_COTHREAD. dnl Set output variable THREADS_LIBS and THREADS_CFLAGS dnl ------------------------------------------------------------------ AC_DEFUN([AC_PATH_THREADS], [ AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads], [select threading model (default is auto)]), ac_use_threads=$enableval, ac_use_threads=auto) ac_threads=no if test x$ac_use_threads != xno ; then case x$ac_use_threads in x|xyes|xauto|xposix|xpthread) AC_PATH_PTHREAD( [ ac_threads=pthread ac_use_threads=pthread THREAD_LIBS="$PTHREAD_LIBS" THREAD_CFLAGS="$PTHREAD_CFLAGS -DTHREADMODEL=POSIXTHREADS" ] ) ;; esac case x$ac_use_threads in xposix|xpthread) ;; x|xyes|xauto|xcothread) AC_PATH_COTHREAD( [ ac_threads=cothread THREAD_CFLAGS="-DTHREADMODEL=COTHREADS" ] ) ;; *) AC_MSG_ERROR( [Invalid argument for --enable-threads Valid arguments are: yes, no, posix, pthread, cothread, auto.]) ;; esac fi AC_SUBST(THREAD_LIBS) AC_SUBST(THREAD_CFLAGS) AC_MSG_CHECKING([threading model]) AC_MSG_RESULT($ac_threads) if test $ac_threads != no ; then AC_MSG_RESULT([setting THREAD_CFLAGS=$THREAD_CFLAGS]) AC_MSG_RESULT([setting THREAD_LIBS=$THREAD_LIBS]) ifelse([$1],,:,[$1]) else ifelse([$2],,:,[$2]) fi ]) dnl ------------------------------------------------------------------ dnl @synopsis AC_PATH_TIFF([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) dnl Process option --with-tiff dnl Search LIBTIFF. Define HAVE_TIFF. dnl Set output variable TIFF_CFLAGS and TIFF_LIBS dnl ------------------------------------------------------------------ AC_DEFUN([AC_PATH_TIFF], [ AC_ARG_VAR(TIFF_LIBS) AC_ARG_VAR(TIFF_CFLAGS) ac_tiff=no AC_ARG_WITH(tiff, AC_HELP_STRING([--with-tiff=DIR], [where libtiff is located]), [ac_tiff=$withval], [ac_tiff=yes] ) # Process specification if test x$ac_tiff = xyes ; then test x${TIFF_LIBS+set} != xset && TIFF_LIBS="-ltiff" elif test x$ac_tiff != xno ; then test x${TIFF_LIBS+set} != xset && TIFF_LIBS="-L$ac_tiff -ltiff" test x${TIFF_CFLAGS+set} != xset && TIFF_CFLAGS="-I$ac_tiff" fi # Try linking if test x$ac_tiff != xno ; then AC_MSG_CHECKING([for the libtiff library]) save_CFLAGS="$CFLAGS" save_CXXFLAGS="$CXXFLAGS" save_LIBS="$LIBS" CFLAGS="$CFLAGS $TIFF_CFLAGS" CXXFLAGS="$CXXFLAGS $TIFF_CFLAGS" LIBS="$LIBS $TIFF_LIBS" AC_TRY_LINK([ #ifdef __cplusplus extern "C" { #endif #include #include #ifdef __cplusplus } #endif ],[ TIFFOpen(0,0);], [ac_tiff=yes], [ac_tiff=no] ) CFLAGS="$save_CFLAGS" CXXFLAGS="$save_CXXFLAGS" LIBS="$save_LIBS" AC_MSG_RESULT($ac_tiff) fi # Finish if test x$ac_tiff = xno; then TIFF_CFLAGS= ; TIFF_LIBS= ifelse([$2],,:,[$2]) else AC_DEFINE(HAVE_TIFF,1,[Define if you have libtiff.]) AC_MSG_RESULT([setting TIFF_CFLAGS=$TIFF_CFLAGS]) AC_MSG_RESULT([setting TIFF_LIBS=$TIFF_LIBS]) ifelse([$1],,:,[$1]) fi ]) # C++ AC_LANG(C++) AC_CXX_BOOL AC_CXX_EXCEPTIONS AC_CXX_TYPENAME AC_CXX_STDINCLUDES AC_CXX_NAMESPACES AC_CXX_MEMBER_TEMPLATES AC_CXX_RPO # ---------------------------------------- # Libraries # ---------------------------------------- AC_CHECK_LIB(m,sqrt) AC_CHECK_LIB(iconv,libiconv) # ---------------------------------------- # Header Files # ---------------------------------------- AC_HEADER_STDC AC_HEADER_DIRENT AC_HEADER_TIME AC_HEADER_SYS_WAIT KDE_CHECK_HEADERS(wchar.h wctype.h sys/mman.h iconv.h) KDE_CHECK_HEADERS(stdint.h sys/ipc.h sys/shm.h) # ---------------------------------------- # Types # ---------------------------------------- AC_CHECK_TYPES(wchar_t) AC_CHECK_TYPES(long long int) AC_CHECK_TYPES(mbstate_t,,,[#include "wchar.h"]) # ---------------------------------------- # Functions # ---------------------------------------- AC_FUNC_MMAP AC_FUNC_FORK AC_CHECK_FUNCS(wcrtomb iswspace) AC_CHECK_FUNCS(putc_unlocked strerror vsnprintf) AC_CHECK_FUNCS(gethostname iconv strftime getpwuid) # ---------------------------------------- # Test auxilliary packages # ---------------------------------------- # Search TIFF library AC_PATH_TIFF(, [ no_tiff=yes AC_MSG_WARN([Tiff support is disabled]) ]) # Search MULTITHREADING library AC_PATH_THREADS(, [ no_threads=yes AC_MSG_WARN([Thread support is disabled]) ]) # ---------------------------------------- # Stuff added to config.h # ---------------------------------------- # Fence AH_TOP([ #ifndef DJVU_CONFIG_H #define DJVU_CONFIG_H /* config.h: begin */ ]) # L18N Macros AH_BOTTOM([ /* - Miscellaneous */ #define UNIX 1 #define NEED_GNUG_PRAGMAS 0 /* - BOOL */ #if !defined(HAVE_BOOL) && !defined(bool) #define bool char #define true 1 #define false 0 #endif /* - WCHAR etc.*/ #if ! defined(HAVE_WCHAR_T) #define HAS_WCHAR 0 #define HAS_WCTYPE 0 #define HAS_MBSTATE 0 #else #define HAS_WCHAR 1 #if defined(HAVE_WCTYPE_H) && defined(HAVE_ISWSPACE) #define HAS_WCTYPE 1 #endif #if defined(HAVE_MBSTATE_T) && defined(HAVE_WCRTOMB) #define HAS_MBSTATE 1 #endif #endif #if defined(HAVE_ICONV_H) && defined(HAVE_ICONV) #define HAS_ICONV 1 #else #define HAS_ICONV 0 #endif /* - I18N MESSAGES HELL */ #define HAS_CTRL_C_IN_ERR_MSG 1 /* - CONTAINERS */ #ifndef HAVE_MEMBER_TEMPLATES #define GCONTAINER_NO_MEMBER_TEMPLATES #endif #ifndef HAVE_TYPENAME #define GCONTAINER_NO_TYPENAME #endif /* - COTHREAD */ #ifdef HAVE_COTHREAD #ifndef HAVE_COTHREAD_PATCH #define NO_LIBGCC_HOOKS #endif #endif /* - JPEG */ #ifdef HAVE_LIBJPEG #define NEED_JPEG_DECODER #endif /* - MMAP */ #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) #define HAS_MEMMAP 1 #else #define HAS_MEMMAP 0 #endif /* config.h: end */ #endif ])