X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=722945a05ed4205979720c4bcd8dca21f1f30bec;hp=665c30f42eb23142a89fecf1b7b25ba688ba7115;hb=48310f11b209169dcbcf4a25fab48d86af8c2017;hpb=60014650d5e3f088e2d5e8835925cce96db00c33 diff --git a/aclocal.m4 b/aclocal.m4 index 665c30f4..722945a0 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -28,7 +28,7 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1995-on dnl -dnl $Id: aclocal.m4,v 1.445 2008/03/29 19:47:32 tom Exp $ +dnl $Id: aclocal.m4,v 1.453 2008/08/23 22:27:51 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on @@ -649,13 +649,14 @@ if test ".$system_name" != ".$cf_cv_system_name" ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CHECK_ERRNO version: 9 updated: 2001/12/30 18:03:23 +dnl CF_CHECK_ERRNO version: 10 updated: 2008/08/22 16:33:22 dnl -------------- dnl Check for data that is usually declared in or , e.g., dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it dnl ourselves. dnl dnl $1 = the name to check +dnl $2 = the assumed type AC_DEFUN([CF_CHECK_ERRNO], [ AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[ @@ -666,7 +667,7 @@ AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[ #include #include #include ], - [long x = (long) $1], + ifelse($2,,int,$2) x = (ifelse($2,,int,$2)) $1, [cf_cv_dcl_$1=yes], [cf_cv_dcl_$1=no]) ]) @@ -677,7 +678,7 @@ if test "$cf_cv_dcl_$1" = no ; then fi # It's possible (for near-UNIX clones) that the data doesn't exist -CF_CHECK_EXTERN_DATA($1,int) +CF_CHECK_EXTERN_DATA($1,ifelse($2,,int,$2)) ])dnl dnl --------------------------------------------------------------------------- dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23 @@ -1058,6 +1059,34 @@ int main() { test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP) ]) dnl --------------------------------------------------------------------------- +dnl CF_FUNC_OPENPTY version: 2 updated: 2008/04/12 19:49:01 +dnl --------------- +dnl Check for openpty() function, along with header. It may need the +dnl "util" library as well. +AC_DEFUN([CF_FUNC_OPENPTY], +[ +AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no) +AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[ + cf_save_LIBS="$LIBS" + test $cf_cv_lib_util = yes && LIBS="-lutil $LIBS" + for cf_header in pty.h libutil.h util.h + do + AC_TRY_LINK([ +#include <$cf_header> +],[ + int x = openpty((int *)0, (int *)0, (char *)0, + (struct termios *)0, (struct winsize *)0); +],[ + cf_cv_func_openpty=$cf_header + break +],[ + cf_cv_func_openpty=no +]) + done + LIBS="$cf_save_LIBS" +]) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_FUNC_POLL version: 4 updated: 2006/12/16 12:33:30 dnl ------------ dnl See if the poll function really works. Some platforms have poll(), but @@ -1250,7 +1279,7 @@ if test "$GCC" = yes ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_WARNINGS version: 22 updated: 2007/07/29 09:55:12 +dnl CF_GCC_WARNINGS version: 23 updated: 2008/07/26 17:54:02 dnl --------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: @@ -1345,7 +1374,7 @@ then ;; Winline) #(vi case $GCC_VERSION in - 3.3*) + [[34]].*) CF_VERBOSE(feature is broken in gcc $GCC_VERSION) continue;; esac @@ -1687,7 +1716,7 @@ fi ]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_HASHED_DB_LIBS version: 7 updated: 2007/12/01 15:01:37 +dnl CF_HASHED_DB_LIBS version: 8 updated: 2008/08/04 06:18:06 dnl ----------------- dnl Given that we have the header and version for hashed database, find the dnl library information. @@ -1695,7 +1724,7 @@ AC_DEFUN([CF_HASHED_DB_LIBS], [ AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[ cf_cv_hashed_db_libs=unknown -for cf_db_libs in db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db '' +for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db '' do cf_save_libs="$LIBS" if test -n "$cf_db_libs"; then @@ -1921,7 +1950,7 @@ ifdef([AC_FUNC_FSEEKO],[ ]) ]) dnl --------------------------------------------------------------------------- -dnl CF_LDFLAGS_STATIC version: 2 updated: 2007/04/28 15:25:27 +dnl CF_LDFLAGS_STATIC version: 3 updated: 2008/07/05 13:56:40 dnl ----------------- dnl Check for compiler/linker flags used to temporarily force usage of static dnl libraries. This depends on the compiler and platform. Use this to help @@ -1930,8 +1959,16 @@ dnl the list of linker options and libraries. AC_DEFUN([CF_LDFLAGS_STATIC],[ if test "$GCC" = yes ; then - LDFLAGS_STATIC=-static - LDFLAGS_SHARED=-dynamic + case $cf_cv_system_name in #( + aix[[45]]*) #( gcc 4.2.4 linkage on AIX is broken + LDFLAGS_STATIC= + LDFLAGS_SHARED= + ;; + *) #( normally, except when broken + LDFLAGS_STATIC=-static + LDFLAGS_SHARED=-dynamic + ;; + esac else case $cf_cv_system_name in #( aix[[45]]*) #( from ld manpage @@ -3894,7 +3931,7 @@ AC_MSG_RESULT(no) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SHARED_OPTS version: 47 updated: 2008/03/23 14:48:54 +dnl CF_SHARED_OPTS version: 48 updated: 2008/06/14 15:08:17 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared @@ -4130,9 +4167,7 @@ CF_EOF ;; solaris2*) # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2 - if test "$GCC" != yes; then - CC_SHARED_OPTS='-KPIC' - fi + # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3 if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" @@ -4142,7 +4177,12 @@ CF_EOF EXTRA_LDFLAGS="$LOCAL_LDFLAGS $EXTRA_LDFLAGS" fi CF_SHARED_SONAME - MK_SHARED_LIB='${CC} -dy -G -h '$cf_shared_soname' -o $[@]' + if test "$GCC" != yes; then + CC_SHARED_OPTS='-xcode=pic32' + MK_SHARED_LIB='${CC} -dy -G -h '$cf_shared_soname' -o $[@]' + else + MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_shared_soname' -o $[@]' + fi ;; sysv5uw7*|unix_sv*) # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc) @@ -4823,6 +4863,32 @@ fi ]) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06 +dnl --------------- +dnl Check for compiler-support for weak symbols. +dnl This works with "recent" gcc. +AC_DEFUN([CF_WEAK_SYMBOLS],[ +AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[ + +AC_TRY_COMPILE([ +#include ], +[ +#if defined(__GNUC__) +# if defined __USE_ISOC99 +# define _cat_pragma(exp) _Pragma(#exp) +# define _weak_pragma(exp) _cat_pragma(weak name) +# else +# define _weak_pragma(exp) +# endif +# define _declare(name) __extension__ extern __typeof__(name) name +# define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak)) +#endif + +weak_symbol(fopen); +],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no]) +]) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49 dnl ------------------- dnl Allow library's ABI to be overridden. Generally this happens when a @@ -5100,7 +5166,7 @@ AC_SUBST($3)dnl ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_PTHREAD version: 1 updated: 2008/03/29 13:42:21 +dnl CF_WITH_PTHREAD version: 2 updated: 2008/08/23 18:26:05 dnl --------------- dnl Check for POSIX thread library. AC_DEFUN([CF_WITH_PTHREAD], @@ -5115,13 +5181,24 @@ AC_MSG_RESULT($with_pthread) if test "$with_pthread" != no ; then AC_CHECK_HEADER(pthread.h,[ AC_DEFINE(HAVE_PTHREADS_H) - AC_CHECK_LIB(pthread,pthread_create,[ + + AC_MSG_CHECKING(if we can link with the pthread library) + cf_save_LIBS="$LIBS" + LIBS="-lpthread $LIBS" + AC_TRY_LINK([ +#include +],[ + int rc = pthread_create(0,0,0,0); +],[with_pthread=yes],[with_pthread=no]) + LIBS="$cf_save_LIBS" + AC_MSG_RESULT($with_pthread) + + if test "$with_pthread" = yes ; then LIBS="-lpthread $LIBS" AC_DEFINE(HAVE_LIBPTHREADS) - with_pthread=yes - ],[ + else AC_MSG_ERROR(Cannot link with pthread library) - ]) + fi ]) fi ]) @@ -5189,7 +5266,7 @@ CF_NO_LEAKS_OPTION(valgrind, [USE_VALGRIND]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 25 updated: 2007/01/29 18:36:38 +dnl CF_XOPEN_SOURCE version: 26 updated: 2008/07/27 11:26:57 dnl --------------- dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions, dnl or adapt to the vendor's definitions to get equivalent functionality, @@ -5209,7 +5286,7 @@ case $host_os in #(vi aix[[45]]*) #(vi CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE" ;; -freebsd*) #(vi +freebsd*|dragonfly*) #(vi # 5.x headers associate # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L