X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=bfd3cee74f81085649343eaf80504fc13b27a043;hp=3a9457760b393d7a70e7a38cf33e25a52e1da5f5;hb=6af42291adceeb1bd8caab41e16762ec6d96529c;hpb=362db2575aed6b2c7a8d3928b39af51544502876 diff --git a/aclocal.m4 b/aclocal.m4 index 3a945776..bfd3cee7 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 1.552 2011/03/28 00:21:01 tom Exp $ +dnl $Id: aclocal.m4,v 1.596 2011/12/17 21:19:09 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on @@ -62,6 +62,31 @@ AC_DEFUN([AM_LANGINFO_CODESET], fi ])dnl dnl --------------------------------------------------------------------------- +dnl CF_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03 +dnl ------------------ +dnl Conditionally generate script according to whether we're using a given autoconf. +dnl +dnl $1 = version to compare against +dnl $2 = code to use if AC_ACVERSION is at least as high as $1. +dnl $3 = code to use if AC_ACVERSION is older than $1. +define(CF_ACVERSION_CHECK, +[ +ifdef([m4_version_compare], +[m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])], +[CF_ACVERSION_COMPARE( +AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), +AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ACVERSION_COMPARE version: 2 updated: 2011/04/14 20:56:50 +dnl -------------------- +dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1, +dnl MAJOR2, MINOR2, TERNARY2, +dnl PRINTABLE2, not FOUND, FOUND) +define(CF_ACVERSION_COMPARE, +[ifelse(builtin([eval], [$2 < $5]), 1, +[ifelse([$8], , ,[$8])], +[ifelse([$9], , ,[$9])])])dnl +dnl --------------------------------------------------------------------------- dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07 dnl ------------------- dnl Construct the list of include-options for the C programs in the Ada95 @@ -313,12 +338,33 @@ ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) { } ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ANSI_CC_CHECK version: 10 updated: 2010/10/23 15:52:32 +dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45 dnl ---------------- -dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES' -dnl in the sharutils 4.2 distribution. +dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and +dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution. AC_DEFUN([CF_ANSI_CC_CHECK], [ +# This should have been defined by AC_PROG_CC +: ${CC:=cc} + +# Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content +# into CC. This will not help with broken scripts that wrap the compiler with +# options, but eliminates a more common category of user confusion. +AC_MSG_CHECKING(\$CC variable) +case "$CC" in #(vi +*[[\ \ ]]-[[IUD]]*) + AC_MSG_RESULT(broken) + AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options) + # humor him... + cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'` + CC=`echo "$CC" | sed -e 's/[[ ]].*//'` + CF_ADD_CFLAGS($cf_flags) + ;; +*) + AC_MSG_RESULT(ok) + ;; +esac + AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[ cf_cv_ansi_cc=no cf_save_CFLAGS="$CFLAGS" @@ -465,7 +511,7 @@ fi AC_SUBST(ARFLAGS) ]) dnl --------------------------------------------------------------------------- -dnl CF_AWK_BIG_PRINTF version: 3 updated: 2008/12/27 12:30:03 +dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50 dnl ----------------- dnl Check if awk can handle big strings using printf. Some older versions of dnl awk choke on large strings passed via "%s". @@ -479,8 +525,8 @@ AC_DEFUN([CF_AWK_BIG_PRINTF], eval $2=no ;; *) #(vi - if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' \ - | $AWK '{ printf "%d\n", length([$]0); }' | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then + if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \ + | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then eval $2=yes else eval $2=no @@ -695,7 +741,7 @@ AC_SUBST(BUILD_EXEEXT) AC_SUBST(BUILD_OBJEXT) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CFG_DEFAULTS version: 7 updated: 2005/09/24 16:15:00 +dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13 dnl --------------- dnl Determine the default configuration into which we'll install ncurses. This dnl can be overridden by the user's command-line options. There's two items to @@ -713,7 +759,7 @@ AC_MSG_CHECKING(for prefix) if test "x$prefix" = "xNONE" ; then case "$cf_cv_system_name" in # non-vendor systems don't have a conflict - openbsd*|freebsd*|linux*|cygwin*|k*bsd*-gnu) + openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu) prefix=/usr ;; *) prefix=$ac_default_prefix @@ -749,27 +795,48 @@ AC_MSG_RESULT($includedir) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_CGETENT version: 3 updated: 2000/08/12 23:18:52 +dnl CF_CGETENT version: 4 updated: 2011/08/07 14:54:41 dnl ---------- dnl Check if the terminal-capability database functions are available. If not, dnl ncurses has a much-reduced version. AC_DEFUN([CF_CGETENT],[ -AC_MSG_CHECKING(for terminal-capability database functions) -AC_CACHE_VAL(cf_cv_cgetent,[ +AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[ AC_TRY_LINK([ #include ],[ char temp[128]; char *buf = temp; char *db_array = temp; - cgetent(&buf, /* int *, */ &db_array, "vt100"); + cgetent(&buf, &db_array, "vt100"); cgetcap(buf, "tc", '='); cgetmatch(buf, "tc"); ], [cf_cv_cgetent=yes], [cf_cv_cgetent=no]) ]) -AC_MSG_RESULT($cf_cv_cgetent) -test "$cf_cv_cgetent" = yes && AC_DEFINE(HAVE_BSD_CGETENT) + +if test "$cf_cv_cgetent" = yes +then + AC_DEFINE(HAVE_BSD_CGETENT) +AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[ +AC_TRY_LINK([ +#include ],[ + char temp[128]; + char *buf = temp; +#ifndef _NETBSD_SOURCE /* given, since April 2004 in stdlib.h */ + const char *db_array = temp; + cgetent(&buf, &db_array, "vt100"); +#endif + cgetcap(buf, "tc", '='); + cgetmatch(buf, "tc"); + ], + [cf_cv_cgetent_const=yes], + [cf_cv_cgetent_const=no]) +]) + if test "$cf_cv_cgetent_const" = yes + then + AC_DEFINE_UNQUOTED(CGETENT_CONST,const) + fi +fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59 @@ -908,7 +975,28 @@ if test "$cf_cv_check_gpm_wgetch" != yes ; then fi ])])dnl dnl --------------------------------------------------------------------------- -dnl CF_CPP_PARAM_INIT version: 4 updated: 2001/04/07 22:31:18 +dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05 +dnl ---------------- +dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED +AC_DEFUN([CF_CHECK_WCHAR_H],[ +AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[ +AC_TRY_COMPILE( +[ +#include +#include +],[ + wint_t foo = 0; + int bar = iswpunct(foo)], + [cf_cv_wchar_h_okay=yes], + [cf_cv_wchar_h_okay=no])]) + +if test $cf_cv_wchar_h_okay = no +then + CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED) +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CPP_PARAM_INIT version: 5 updated: 2011/12/03 16:54:03 dnl ----------------- dnl Check if the C++ compiler accepts duplicate parameter initialization. This dnl is a late feature for the standard and is not in some recent compilers @@ -932,7 +1020,7 @@ TEST::TEST(int x = 1) // some compilers do not like second initializer { value = x; } -void main() { } +int main() { } ], [cf_cv_cpp_param_init=yes], [cf_cv_cpp_param_init=no], @@ -999,6 +1087,54 @@ fi test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34 +dnl --------------- +dnl Setup special archiver flags for given compilers. +AC_DEFUN([CF_CXX_AR_FLAGS],[ + CXX_AR='$(AR)' + CXX_ARFLAGS='$(ARFLAGS)' + case $cf_cv_system_name in #(vi + irix*) #(vi + if test "$GXX" != yes ; then + CXX_AR='$(CXX)' + CXX_ARFLAGS='-ar -o' + fi + ;; + sco3.2v5*) #(vi + CXXLDFLAGS="-u main" + ;; + solaris2*) + if test "$GXX" != yes ; then + CXX_AR='$(CXX)' + CXX_ARFLAGS='-xar -o' + fi + ;; + esac + AC_SUBST(CXXLDFLAGS) + AC_SUBST(CXX_AR) + AC_SUBST(CXX_ARFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_CXX_IOSTREAM_NAMESPACE version: 1 updated: 2011/10/29 08:35:34 +dnl ------------------------- +dnl For c++, check if iostream uses "std::" namespace. +AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[ +AC_CHECK_HEADERS(iostream) +if test x"$ac_cv_header_iostream" = xyes ; then + AC_MSG_CHECKING(if iostream uses std-namespace) + AC_TRY_COMPILE([ +#include +using std::endl; +using std::cerr;],[ +cerr << "testing" << endl; +],[cf_iostream_namespace=yes],[cf_iostream_namespace=no]) + AC_MSG_RESULT($cf_iostream_namespace) + if test "$cf_iostream_namespace" = yes ; then + AC_DEFINE(IOSTREAM_NAMESPACE) + fi +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_C_INLINE version: 3 updated: 2010/05/01 15:14:41 dnl ----------- dnl Check if the C compiler supports "inline". @@ -1123,6 +1259,31 @@ if test "$cf_disable_rpath_hack" = no ; then fi ]) dnl --------------------------------------------------------------------------- +dnl CF_ENABLE_PC_FILES version: 7 updated: 2011/12/10 18:58:47 +dnl ------------------ +dnl This is the "--enable-pc-files" option, which is available if there is a +dnl pkg-config configuration on the local machine. +AC_DEFUN([CF_ENABLE_PC_FILES],[ +AC_REQUIRE([CF_PKG_CONFIG]) +AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR]) + +if test "$PKG_CONFIG" != none ; then + if test -n "$PKG_CONFIG_LIBDIR" && test -d "$PKG_CONFIG_LIBDIR" ; then + AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG) + AC_ARG_ENABLE(pc-files, + [ --enable-pc-files generate and install .pc files for pkg-config], + [enable_pc_files=$enableval], + [enable_pc_files=no]) + AC_MSG_RESULT($enable_pc_files) + elif test -z "$PKG_CONFIG_LIBDIR" || test "$PKG_CONFIG_LIBDIR" != no; then + enable_pc_files=no + AC_MSG_WARN(did not find $PKG_CONFIG library) + fi +else + enable_pc_files=no +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42 dnl --------------- dnl Check if the rpath option should be used, setting cache variable @@ -1145,7 +1306,7 @@ AC_DEFUN([CF_ERRNO], CF_CHECK_ERRNO(errno) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_ETIP_DEFINES version: 3 updated: 2003/03/22 19:13:43 +dnl CF_ETIP_DEFINES version: 4 updated: 2011/12/03 16:54:03 dnl --------------- dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between dnl math.h and builtin.h, only for ncurses @@ -1154,11 +1315,17 @@ AC_DEFUN([CF_ETIP_DEFINES], AC_MSG_CHECKING(for special defines needed for etip.h) cf_save_CXXFLAGS="$CXXFLAGS" cf_result="none" + +# etip.h includes ncurses.h which includes ncurses_dll.h +# But ncurses_dll.h is generated - fix here. +test -d include || mkdir include +test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h + for cf_math in "" MATH_H do for cf_excp in "" MATH_EXCEPTION do - CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -I${srcdir}/include" + CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include" test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}" test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}" AC_TRY_COMPILE([ @@ -1769,6 +1936,29 @@ rm -rf conftest* AC_SUBST(EXTRA_CFLAGS) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52 +dnl ---------------- +dnl Check for getopt's variables which are commonly defined in stdlib.h, +dnl unistd.h or (nonstandard) in getopt.h +AC_DEFUN([CF_GETOPT_HEADER], +[ +AC_HAVE_HEADERS(unistd.h getopt.h) +AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[ +cf_cv_getopt_header=none +for cf_header in stdio.h stdlib.h unistd.h getopt.h +do +AC_TRY_COMPILE([ +#include <$cf_header>], +[int x = optind; char *y = optarg], +[cf_cv_getopt_header=$cf_header + break]) +done +]) +if test $cf_cv_getopt_header != none ; then + AC_DEFINE(HAVE_GETOPT_HEADER) +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41 dnl ---------------- AC_DEFUN([CF_GNAT_GENERICS], @@ -2581,7 +2771,7 @@ ifdef([AC_FUNC_FSEEKO],[ ]) ]) dnl --------------------------------------------------------------------------- -dnl CF_LDFLAGS_STATIC version: 8 updated: 2010/10/23 14:39:56 +dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48 dnl ----------------- dnl Check for compiler/linker flags used to temporarily force usage of static dnl libraries. This depends on the compiler and platform. Use this to help @@ -2602,7 +2792,7 @@ if test "$GCC" = yes ; then esac else case $cf_cv_system_name in #( - aix[[456]]*) #( from ld manpage + aix[[4-7]]*) #( from ld manpage LDFLAGS_STATIC=-bstatic LDFLAGS_SHARED=-bdynamic ;; @@ -2652,7 +2842,17 @@ EOF int cf_ldflags_static(FILE *fp); ],[ return cf_ldflags_static(stdin); -],[cf_ldflags_static=yes],[cf_ldflags_static=no]) +],[ + # some linkers simply ignore the -dynamic + case x`file conftest$ac_exeext 2>/dev/null` in #(vi + *static*) # (vi + cf_ldflags_static=no + ;; + *) + cf_ldflags_static=yes + ;; + esac +],[cf_ldflags_static=no]) rm -f libconftest.* LIBS="$cf_save_LIBS" @@ -2673,7 +2873,7 @@ AC_SUBST(LDFLAGS_STATIC) AC_SUBST(LDFLAGS_SHARED) ]) dnl --------------------------------------------------------------------------- -dnl CF_LD_RPATH_OPT version: 3 updated: 2010/06/02 05:03:05 +dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41 dnl --------------- dnl For the given system and compiler, find the compiler flags to pass to the dnl loader to use the "rpath" feature. @@ -2694,10 +2894,10 @@ irix*) #(vi linux*|gnu*|k*bsd*-gnu) #(vi LD_RPATH_OPT="-Wl,-rpath," ;; -openbsd[[2-9]].*) #(vi +openbsd[[2-9]].*|mirbsd*) #(vi LD_RPATH_OPT="-Wl,-rpath," ;; -freebsd*) #(vi +dragonfly*|freebsd*) #(vi LD_RPATH_OPT="-rpath " ;; netbsd*) #(vi @@ -2773,7 +2973,7 @@ ifelse($1,,,[$1=$LIB_PREFIX]) AC_SUBST(LIB_PREFIX) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_LIB_RULES version: 61 updated: 2010/10/23 16:10:30 +dnl CF_LIB_RULES version: 62 updated: 2011/12/17 16:17:33 dnl ------------ dnl Append definitions and rules for the given models to the subdirectory dnl Makefiles, and the recursion rule for the top-level Makefile. If the @@ -3010,6 +3210,7 @@ do prefix=$cf_prefix \ suffix=$cf_suffix \ subset=$cf_subset \ + driver=$cf_cv_term_driver \ SymLink="$LN_S" \ TermlibRoot=$TINFO_NAME \ TermlibSuffix=$TINFO_SUFFIX \ @@ -3292,7 +3493,7 @@ fi ]) ]) dnl --------------------------------------------------------------------------- -dnl CF_LIB_SUFFIX version: 16 updated: 2008/12/27 12:30:03 +dnl CF_LIB_SUFFIX version: 17 updated: 2011/07/02 15:36:04 dnl ------------- dnl Compute the library file-suffix from the given model name dnl $1 = model name @@ -3321,7 +3522,7 @@ AC_DEFUN([CF_LIB_SUFFIX], ;; shared) #(vi case $cf_cv_system_name in - aix[[56]]*) #(vi + aix[[5-7]]*) #(vi $2='.a' $3=[$]$2 ;; @@ -3504,7 +3705,7 @@ AC_DEFUN([CF_MAIN_RETURN], cf_cv_main_return=return ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MAKEFLAGS version: 13 updated: 2010/10/23 15:52:32 +dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46 dnl ------------ dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make' dnl options to lower-levels. It's very useful for "make -n" -- if we have it. @@ -3521,7 +3722,7 @@ SHELL = /bin/sh all : @ echo '.$cf_option' CF_EOF - cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | sed -e 's,[[ ]]*$,,'` + cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'` case "$cf_result" in .*k) cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null` @@ -3799,7 +4000,7 @@ AC_ARG_WITH(manpage-tbl, AC_MSG_RESULT($MANPAGE_TBL) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_MAN_PAGES version: 39 updated: 2010/10/23 15:44:18 +dnl CF_MAN_PAGES version: 40 updated: 2011/09/10 16:20:21 dnl ------------ dnl Try to determine if the man-pages on the system are compressed, and if dnl so, what format is used. Use this information to construct a script that @@ -3949,7 +4150,9 @@ CF_EOF if test "$MANPAGE_ALIASES" != no ; then cat >>$cf_edit_man <>$cf_edit_man <\$TMP.out + mv \$TMP.out \$TMP +CF_EOF +fi + if test $with_curses_h != yes ; then cat >>$cf_edit_man <\$TMP.out @@ -4376,7 +4586,7 @@ case ".[$]$1" in #(vi esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PKG_CONFIG version: 4 updated: 2011/02/18 20:26:24 +dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22 dnl ------------- dnl Check for the package-config program, unless disabled by command-line. AC_DEFUN([CF_PKG_CONFIG], @@ -4393,7 +4603,9 @@ no) #(vi PKG_CONFIG=none ;; yes) #(vi - AC_PATH_TOOL(PKG_CONFIG, pkg-config, none) + CF_ACVERSION_CHECK(2.52, + [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)], + [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)]) ;; *) PKG_CONFIG=$withval @@ -4658,7 +4870,7 @@ AC_SUBST(PROG_EXT) test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT") ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_GNAT version: 1 updated: 2010/06/19 15:22:18 +dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47 dnl ------------ dnl Check for gnatmake, ensure that it is complete. AC_DEFUN([CF_PROG_GNAT],[ @@ -4666,6 +4878,7 @@ cf_ada_make=gnatmake AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no) if test "$ac_cv_prog_gnat_exists" = no; then cf_ada_make= + cf_cv_prog_gnat_correct=no else CF_GNAT_VERSION AC_CHECK_PROG(M4_exists, m4, yes, no) @@ -4709,7 +4922,7 @@ case $INSTALL in esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_PROG_LDCONFIG version: 2 updated: 2008/12/13 14:08:40 +dnl CF_PROG_LDCONFIG version: 3 updated: 2011/06/04 20:09:13 dnl ---------------- dnl Check for ldconfig, needed to fixup shared libraries that would be built dnl and then used in the install. @@ -4718,7 +4931,7 @@ if test "$cross_compiling" = yes ; then LDCONFIG=: else case "$cf_cv_system_name" in #(vi -dragonfly*|freebsd*) #(vi +dragonfly*|mirbsd*|freebsd*) #(vi test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R" ;; *) LDPATH=$PATH:/sbin:/usr/sbin @@ -4984,7 +5197,7 @@ CF_VERBOSE(...checked $1 [$]$1) AC_SUBST(EXTRA_LDFLAGS) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SHARED_OPTS version: 64 updated: 2010/06/05 16:51:16 +dnl CF_SHARED_OPTS version: 69 updated: 2011/07/30 19:31:39 dnl -------------- dnl -------------- dnl Attempt to determine the appropriate CC/LD options for creating a shared @@ -5059,10 +5272,14 @@ AC_DEFUN([CF_SHARED_OPTS], cf_cv_shlib_version_infix=no case $cf_cv_system_name in #(vi - aix[[56]]*) #(vi + aix4.[3-9]*|aix[[5-7]]*) #(vi if test "$GCC" = yes; then CC_SHARED_OPTS= - MK_SHARED_LIB='$(CC) -shared' + MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' + else + # CC_SHARED_OPTS='-qpic=large -G' + # perhaps "-bM:SRE -bnoentry -bexpall" + MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@' fi ;; beos*) #(vi @@ -5115,9 +5332,19 @@ CF_EOF # readonly to exploit a quirk in the memory manager. INSTALL_LIB="-m 555" ;; + interix*) + test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel + if test "$cf_cv_shlib_version" = rel; then + cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}' + else + cf_shared_soname='`basename $@`' + fi + CC_SHARED_OPTS= + MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@' + ;; irix*) #(vi if test "$cf_cv_enable_rpath" = yes ; then - EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS" + EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi # tested with IRIX 5.2 and 'cc'. if test "$GCC" != yes; then @@ -5134,18 +5361,18 @@ CF_EOF LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_enable_rpath" = yes ; then - EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS" + EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]' ;; - openbsd[[2-9]].*) #(vi + openbsd[[2-9]].*|mirbsd*) #(vi if test "$DFT_LWR_MODEL" = "shared" ; then LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" fi if test "$cf_cv_enable_rpath" = yes ; then - EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS" + EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" CF_SHARED_SONAME @@ -5156,12 +5383,12 @@ CF_EOF MK_SHARED_LIB='${LD} -Bshareable -o $[@]' test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel ;; - freebsd*) #(vi + dragonfly*|freebsd*) #(vi CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)" - LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${libdir} $LOCAL_LDFLAGS" - EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS" + LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS" + EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" fi CF_SHARED_SONAME MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]' @@ -5171,7 +5398,7 @@ CF_EOF if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)" LOCAL_LDFLAGS2="$LOCAL_LDFLAGS" - EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${libdir} $EXTRA_LDFLAGS" + EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS" if test "$cf_cv_shlib_version" = auto; then if test -f /usr/libexec/ld.elf_so; then cf_cv_shlib_version=abi @@ -5276,9 +5503,9 @@ CF_EOF ;; esac - if test -n "$cf_ld_rpath_opt" ; then - MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${libdir}" - fi + # RPATH_LIST is a colon-separated list of directories + test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}" + test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}" AC_SUBST(CC_SHARED_OPTS) AC_SUBST(LD_RPATH_OPT) @@ -5290,6 +5517,7 @@ CF_EOF AC_SUBST(LOCAL_LDFLAGS) AC_SUBST(LOCAL_LDFLAGS2) AC_SUBST(INSTALL_LIB) + AC_SUBST(RPATH_LIST) ])dnl dnl --------------------------------------------------------------------------- dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43 @@ -5474,7 +5702,7 @@ if test "$cf_cv_sizechange" != no ; then fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_SRC_MODULES version: 21 updated: 2010/09/04 17:37:40 +dnl CF_SRC_MODULES version: 24 updated: 2011/12/10 18:58:47 dnl -------------- dnl For each parameter, test if the source-directory exists, and if it contains dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll @@ -5497,6 +5725,7 @@ else TEST_ARG2="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARG2" fi +PC_MODULES_TO_MAKE="ncurses" cf_cv_src_modules= for cf_dir in $1 do @@ -5535,6 +5764,7 @@ do TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS" TEST_ARG2="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARG2" fi + PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}" fi fi done @@ -5562,10 +5792,18 @@ if test "x$cf_with_tests" != "xno" ; then SRC_SUBDIRS="$SRC_SUBDIRS test" fi test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc" -test "$cf_with_cxx_binding" != no && SRC_SUBDIRS="$SRC_SUBDIRS c++" +if test "$cf_with_cxx_binding" != no; then + PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ncurses++" + SRC_SUBDIRS="$SRC_SUBDIRS c++" +fi + +test "x$with_termlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TINFO_NAME" +test "x$with_ticlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE tic" + +AC_SUBST(PC_MODULES_TO_MAKE) ADA_SUBDIRS= -if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then +if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = xyes && test -f $srcdir/Ada95/Makefile.in; then SRC_SUBDIRS="$SRC_SUBDIRS Ada95" ADA_SUBDIRS="gen src" if test "x$cf_with_tests" != "xno" ; then @@ -5624,13 +5862,13 @@ dnl Remove "-g" option from the compiler options AC_DEFUN([CF_STRIP_G_OPT], [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl dnl --------------------------------------------------------------------------- -dnl CF_STRUCT_SIGACTION version: 3 updated: 2000/08/12 23:18:52 +dnl CF_STRUCT_SIGACTION version: 4 updated: 2011/04/16 11:52:53 dnl ------------------- dnl Check if we need _POSIX_SOURCE defined to use struct sigaction. We'll only dnl do this if we've found the sigaction function. -dnl -dnl If needed, define SVR4_ACTION. AC_DEFUN([CF_STRUCT_SIGACTION],[ +AC_REQUIRE([CF_XOPEN_SOURCE]) + if test "$ac_cv_func_sigaction" = yes; then AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE) AC_TRY_COMPILE([ @@ -5645,22 +5883,24 @@ AC_TRY_COMPILE([ #include ], [struct sigaction act], [sigact_bad=yes - AC_DEFINE(SVR4_ACTION)], + AC_DEFINE(_POSIX_SOURCE)], [sigact_bad=unknown])]) AC_MSG_RESULT($sigact_bad) fi ])dnl dnl --------------------------------------------------------------------------- -dnl CF_STRUCT_TERMIOS version: 5 updated: 2000/11/04 12:22:46 +dnl CF_STRUCT_TERMIOS version: 6 updated: 2011/04/16 11:52:53 dnl ----------------- dnl Some machines require _POSIX_SOURCE to completely define struct termios. -dnl If so, define SVR4_TERMIO AC_DEFUN([CF_STRUCT_TERMIOS],[ +AC_REQUIRE([CF_XOPEN_SOURCE]) + AC_CHECK_HEADERS( \ termio.h \ termios.h \ unistd.h \ ) + if test "$ISC" = yes ; then AC_CHECK_HEADERS( sys/termio.h ) fi @@ -5680,7 +5920,7 @@ if test "$ac_cv_header_termios_h" = yes ; then #include ], [struct termios foo; int x = foo.c_iflag], termios_bad=unknown, - termios_bad=yes AC_DEFINE(SVR4_TERMIO)) + termios_bad=yes AC_DEFINE(_POSIX_SOURCE)) ]) AC_MSG_RESULT($termios_bad) fi @@ -5798,6 +6038,45 @@ top_builddir=`pwd` AC_SUBST(top_builddir) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50 +dnl ------------------- +dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we +dnl can define it successfully. +AC_DEFUN([CF_TRY_XOPEN_SOURCE],[ +AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[ + AC_TRY_COMPILE([ +#include +#include +#include +],[ +#ifndef _XOPEN_SOURCE +make an error +#endif], + [cf_cv_xopen_source=no], + [cf_save="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" + AC_TRY_COMPILE([ +#include +#include +#include +],[ +#ifdef _XOPEN_SOURCE +make an error +#endif], + [cf_cv_xopen_source=no], + [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) + CPPFLAGS="$cf_save" + ]) +]) + +if test "$cf_cv_xopen_source" != no ; then + CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE) + CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE) + cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source" + CF_ADD_CFLAGS($cf_temp_xopen_source) +fi +]) +dnl --------------------------------------------------------------------------- dnl CF_TYPEOF_CHTYPE version: 8 updated: 2006/12/16 12:33:30 dnl ---------------- dnl Determine the type we should use for chtype (and attr_t, which is treated @@ -6182,7 +6461,7 @@ if test "$with_gpm" != no ; then fi ]) dnl --------------------------------------------------------------------------- -dnl CF_WITH_LIBTOOL version: 26 updated: 2010/10/23 15:55:24 +dnl CF_WITH_LIBTOOL version: 28 updated: 2011/07/02 15:40:32 dnl --------------- dnl Provide a configure option to incorporate libtool. Define several useful dnl symbols for the makefile rules. @@ -6258,7 +6537,7 @@ ifdef([AC_PROG_LIBTOOL],[ AC_MSG_ERROR(Cannot find libtool) fi ])dnl - LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} -o' + LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o' LIB_OBJECT='${OBJECTS:.o=.lo}' LIB_SUFFIX=.la LIB_CLEAN='${LIBTOOL} --mode=clean' @@ -6283,7 +6562,7 @@ ifdef([AC_PROG_LIBTOOL],[ # special hack to add -no-undefined (which libtool should do for itself) LT_UNDEF= case "$cf_cv_system_name" in #(vi - cygwin*|mingw32*|uwin*|aix[[456]]) #(vi + cygwin*|mingw32*|uwin*|aix[[4-7]]) #(vi LT_UNDEF=-no-undefined ;; esac @@ -6386,7 +6665,50 @@ AC_SUBST($3)dnl ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_PTHREAD version: 3 updated: 2010/05/29 16:31:02 +dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47 +dnl ------------------------- +dnl Allow the choice of the pkg-config library directory to be overridden. +AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[ +if test "$PKG_CONFIG" != none ; then + AC_MSG_CHECKING(for $PKG_CONFIG library directory) + AC_ARG_WITH(pkg-config-libdir, + [ --with-pkg-config-libdir=XXX use given directory for installing pc-files], + [PKG_CONFIG_LIBDIR=$withval], + [PKG_CONFIG_LIBDIR=yes]) + + case x$PKG_CONFIG_LIBDIR in #(vi + x/*) #(vi + ;; + xyes) #(vi + # look for the library directory using the same prefix as the executable + cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'` + case x`(arch) 2>/dev/null` in #(vi + *64) #(vi + for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib + do + if test -d $cf_config/pkgconfig + then + PKG_CONFIG_LIBDIR=$cf_config/pkgconfig + break + fi + done + ;; + *) + PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig + ;; + esac + ;; + *) + ;; + esac + + AC_MSG_RESULT($PKG_CONFIG_LIBDIR) +fi + +AC_SUBST(PKG_CONFIG_LIBDIR) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_WITH_PTHREAD version: 5 updated: 2011/12/10 19:01:56 dnl --------------- dnl Check for POSIX thread library. AC_DEFUN([CF_WITH_PTHREAD], @@ -6402,23 +6724,28 @@ if test "$with_pthread" != no ; then AC_CHECK_HEADER(pthread.h,[ AC_DEFINE(HAVE_PTHREADS_H) - AC_MSG_CHECKING(if we can link with the pthread library) - cf_save_LIBS="$LIBS" - CF_ADD_LIB(pthread) - AC_TRY_LINK([ + for cf_lib_pthread in pthread c_r + do + AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library) + cf_save_LIBS="$LIBS" + CF_ADD_LIB($cf_lib_pthread) + AC_TRY_LINK([ #include ],[ - int rc = pthread_create(0,0,0,0); + int rc = pthread_create(0,0,0,0); + int r2 = pthread_mutexattr_settype(0, 0); ],[with_pthread=yes],[with_pthread=no]) - LIBS="$cf_save_LIBS" - AC_MSG_RESULT($with_pthread) - - if test "$with_pthread" = yes ; then - CF_ADD_LIB(pthread) - AC_DEFINE(HAVE_LIBPTHREADS) - else - AC_MSG_ERROR(Cannot link with pthread library) - fi + LIBS="$cf_save_LIBS" + AC_MSG_RESULT($with_pthread) + test "$with_pthread" = yes && break + done + + if test "$with_pthread" = yes ; then + CF_ADD_LIB($cf_lib_pthread) + AC_DEFINE(HAVE_LIBPTHREADS) + else + AC_MSG_ERROR(Cannot link with pthread library) + fi ]) fi ]) @@ -6486,7 +6813,7 @@ CF_NO_LEAKS_OPTION(valgrind, [USE_VALGRIND]) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_XOPEN_SOURCE version: 35 updated: 2011/02/20 20:37:37 +dnl CF_XOPEN_SOURCE version: 41 updated: 2011/12/10 18:58:47 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, @@ -6502,7 +6829,7 @@ cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2]) cf_xopen_source= case $host_os in #(vi -aix[[456]]*) #(vi +aix[[4-7]]*) #(vi cf_xopen_source="-D_ALL_SOURCE" ;; cygwin) #(vi @@ -6530,15 +6857,22 @@ hpux*) #(vi ;; irix[[56]].*) #(vi cf_xopen_source="-D_SGI_SOURCE" + cf_XOPEN_SOURCE= ;; linux*|gnu*|mint*|k*bsd*-gnu) #(vi CF_GNU_SOURCE ;; mirbsd*) #(vi - # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks + # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks and other headers which use u_int / u_short types + cf_XOPEN_SOURCE= + CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) ;; netbsd*) #(vi - # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw + cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw + ;; +openbsd[[4-9]]*) #(vi + # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw + cf_XOPEN_SOURCE=600 ;; openbsd*) #(vi # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw @@ -6552,36 +6886,11 @@ nto-qnx*) #(vi sco*) #(vi # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer ;; -solaris2.1[[0-9]]) #(vi - cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" - ;; -solaris2.[[1-9]]) #(vi +solaris2.*) #(vi cf_xopen_source="-D__EXTENSIONS__" ;; *) - AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[ - AC_TRY_COMPILE([#include ],[ -#ifndef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_xopen_source=no], - [cf_save="$CPPFLAGS" - CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE" - AC_TRY_COMPILE([#include ],[ -#ifdef _XOPEN_SOURCE -make an error -#endif], - [cf_cv_xopen_source=no], - [cf_cv_xopen_source=$cf_XOPEN_SOURCE]) - CPPFLAGS="$cf_save" - ]) -]) - if test "$cf_cv_xopen_source" != no ; then - CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE) - CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE) - cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source" - CF_ADD_CFLAGS($cf_temp_xopen_source) - fi + CF_TRY_XOPEN_SOURCE CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE) ;; esac @@ -6589,4 +6898,33 @@ esac if test -n "$cf_xopen_source" ; then CF_ADD_CFLAGS($cf_xopen_source) fi + +dnl In anything but the default case, we may have system-specific setting +dnl which is still not guaranteed to provide all of the entrypoints that +dnl _XOPEN_SOURCE would yield. +if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then + AC_MSG_CHECKING(if _XOPEN_SOURCE really is set) + AC_TRY_COMPILE([#include ],[ +#ifndef _XOPEN_SOURCE +make an error +#endif], + [cf_XOPEN_SOURCE_set=yes], + [cf_XOPEN_SOURCE_set=no]) + AC_MSG_RESULT($cf_XOPEN_SOURCE_set) + if test $cf_XOPEN_SOURCE_set = yes + then + AC_TRY_COMPILE([#include ],[ +#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE +make an error +#endif], + [cf_XOPEN_SOURCE_set_ok=yes], + [cf_XOPEN_SOURCE_set_ok=no]) + if test $cf_XOPEN_SOURCE_set_ok = no + then + AC_MSG_WARN(_XOPEN_SOURCE is lower than requested) + fi + else + CF_TRY_XOPEN_SOURCE + fi +fi ])