X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=dfe38668ac4fbeddfa29b6019f94ed47ae9b7cef;hp=309351f8477b54bb876ba48365c9488e0e1bd910;hb=d44d7f381ba0173521cb788ba3adb12e261e5c96;hpb=5a9c046f10f72b47ad32801a8e54fe3d05aa8051 diff --git a/aclocal.m4 b/aclocal.m4 index 309351f8..dfe38668 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 1.428 2007/03/31 15:53:01 tom Exp $ +dnl $Id: aclocal.m4,v 1.442 2007/12/01 20:02:42 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl These macros are maintained separately from NCURSES. The copyright on @@ -166,6 +166,99 @@ fi AC_SUBST(EXTRA_CPPFLAGS) +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_INCDIR version: 8 updated: 2007/07/30 19:22:58 +dnl ------------- +dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's +dnl redundant. We don't normally need to add -I/usr/local/include for gcc, +dnl but old versions (and some misinstalled ones) need that. To make things +dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to +dnl the include-path). +AC_DEFUN([CF_ADD_INCDIR], +[ +if test -n "$1" ; then + for cf_add_incdir in $1 + do + while test $cf_add_incdir != /usr/include + do + if test -d $cf_add_incdir + then + cf_have_incdir=no + if test -n "$CFLAGS$CPPFLAGS" ; then + # a loop is needed to ensure we can add subdirs of existing dirs + for cf_test_incdir in $CFLAGS $CPPFLAGS ; do + if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then + cf_have_incdir=yes; break + fi + done + fi + + if test "$cf_have_incdir" = no ; then + if test "$cf_add_incdir" = /usr/local/include ; then + if test "$GCC" = yes + then + cf_save_CPPFLAGS=$CPPFLAGS + CPPFLAGS="$CPPFLAGS -I$cf_add_incdir" + AC_TRY_COMPILE([#include ], + [printf("Hello")], + [], + [cf_have_incdir=yes]) + CPPFLAGS=$cf_save_CPPFLAGS + fi + fi + fi + + if test "$cf_have_incdir" = no ; then + AC_VERBOSE(adding $cf_add_incdir to include-path) + ifelse($2,,CPPFLAGS,$2)="-I$cf_add_incdir $ifelse($2,,CPPFLAGS,[$]$2)" + + cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'` + test "$cf_top_incdir" = "$cf_add_incdir" && break + cf_add_incdir="$cf_top_incdir" + else + break + fi + fi + done + done +fi +])dnl +dnl --------------------------------------------------------------------------- +dnl CF_ADD_LIBDIR version: 5 updated: 2007/07/30 19:12:03 +dnl ------------- +dnl Adds to the library-path +dnl +dnl Some machines have trouble with multiple -L options. +dnl +dnl $1 is the (list of) directory(s) to add +dnl $2 is the optional name of the variable to update (default LDFLAGS) +dnl +AC_DEFUN([CF_ADD_LIBDIR], +[ +if test -n "$1" ; then + for cf_add_libdir in $1 + do + if test $cf_add_libdir = /usr/lib ; then + : + elif test -d $cf_add_libdir + then + cf_have_libdir=no + if test -n "$LDFLAGS$LIBS" ; then + # a loop is needed to ensure we can add subdirs of existing dirs + for cf_test_libdir in $LDFLAGS $LIBS ; do + if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then + cf_have_libdir=yes; break + fi + done + fi + if test "$cf_have_libdir" = no ; then + AC_VERBOSE(adding $cf_add_libdir to library-path) + ifelse($2,,LDFLAGS,$2)="-L$cf_add_libdir $ifelse($2,,LDFLAGS,[$]$2)" + fi + fi + done +fi ])dnl dnl --------------------------------------------------------------------------- dnl CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34 @@ -612,6 +705,50 @@ fi ])dnl dnl --------------------------------------------------------------------------- +dnl CF_CHECK_GPM_WGETCH version: 1 updated: 2007/04/28 14:38:06 +dnl ------------------- +dnl Check if GPM is already linked with curses. If so - and if the linkage +dnl is not "weak" - warn about this because it can create problems linking +dnl applications with ncurses. +AC_DEFUN([CF_CHECK_GPM_WGETCH],[ +AC_CHECK_LIB(gpm,Gpm_Wgetch,[ + +AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[ +cf_cv_check_gpm_wgetch=unknown +if test "$cross_compiling" != yes ; then + +cat >conftest.$ac_ext < +int main() +{ + Gpm_Wgetch(); + ${cf_cv_main_return:-return}(0); +} +CF_EOF + + cf_save_LIBS="$LIBS" + # This only works if we can look at the symbol table. If a shared + # library is stripped for install, we cannot use that. So we're forced + # to rely on the static library, noting that some packagers may not + # include it. + LIBS="-static -lgpm -dynamic $LIBS" + if AC_TRY_EVAL(ac_compile) ; then + if AC_TRY_EVAL(ac_link) ; then + cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\' | egrep '\<[[vVwW]]\>'` + test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes + test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no + fi + fi + rm -f conftest* + LIBS="$cf_save_LIBS" +fi +]) + +if test "$cf_cv_check_gpm_wgetch" != yes ; then + AC_MSG_WARN(GPM library is already linked with curses - read the FAQ) +fi +])])dnl +dnl --------------------------------------------------------------------------- dnl CF_CPP_PARAM_INIT version: 4 updated: 2001/04/07 22:31:18 dnl ----------------- dnl Check if the C++ compiler accepts duplicate parameter initialization. This @@ -703,6 +840,38 @@ fi test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST) ])dnl dnl --------------------------------------------------------------------------- +dnl CF_C_INLINE version: 2 updated: 2007/08/11 14:09:50 +dnl ----------- +dnl Check if the C compiler supports "inline". +dnl $1 is the name of a shell variable to set if inline is supported +dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size +AC_DEFUN([CF_C_INLINE],[ +AC_C_INLINE +$1= +if test "$ac_cv_c_inline" != no ; then + $1=inline + if test "$INTEL_COMPILER" = yes + then + : + elif test "$GCC" = yes + then + AC_CACHE_CHECK(if gcc supports options to tune inlining,cf_cv_gcc_inline,[ + cf_save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS --param max-inline-insns-single=$2" + AC_TRY_COMPILE([inline int foo(void) { return 1; }], + [${cf_cv_main_return:-return} foo()], + [cf_cv_gcc_inline=yes], + [cf_cv_gcc_inline=no]) + CFLAGS=$cf_save_CFLAGS + ]) + if test "$cf_cv_gcc_inline" = yes ; then + CF_ADD_CFLAGS([--param max-inline-insns-single=$2]) + fi + fi +fi +AC_SUBST($1) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52 dnl ---------- dnl "dirname" is not portable, so we fake it with a shell script. @@ -992,7 +1161,7 @@ esac ])dnl dnl --------------------------------------------------------------------------- -dnl CF_GCC_ATTRIBUTES version: 10 updated: 2005/05/28 13:16:28 +dnl CF_GCC_ATTRIBUTES version: 11 updated: 2007/07/29 09:55:12 dnl ----------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary @@ -1019,7 +1188,7 @@ if test "$GCC" = yes then AC_CHECKING([for $CC __attribute__ directives]) cat > conftest.$ac_ext < conftest.$ac_ext <&AC_FD_CC +echo "${as_me-configure}:__oline__: testing $* ..." 1>&AC_FD_CC ])dnl dnl --------------------------------------------------------------------------- dnl CF_NCURSES_ABI_6 version: 1 updated: 2005/09/17 18:42:49 @@ -3616,6 +3841,59 @@ define([CF_REMOVE_LIB], $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'` ])dnl dnl --------------------------------------------------------------------------- +dnl CF_RPATH_HACK version: 3 updated: 2007/12/01 11:14:13 +dnl ------------- +AC_DEFUN([CF_RPATH_HACK], +[ +AC_REQUIRE([CF_SHARED_OPTS]) +AC_MSG_CHECKING(for updated LDFLAGS) +if test -n "$LDFLAGS" ; then +AC_MSG_RESULT(maybe) +CF_VERBOSE(...checking LDFLAGS $LDFLAGS) +CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS) +case "$EXTRA_LDFLAGS" in #(vi +-Wl,-rpath,*) #(vi + cf_rpath_hack="-Wl,-rpath," + ;; +-R\ *) + cf_rpath_hack="-R " + ;; +-R*) + cf_rpath_hack="-R" + ;; +*) + cf_rpath_hack= + ;; +esac +if test -n "$cf_rpath_hack" ; then + cf_rpath_dst= + for cf_rpath_src in $LDFLAGS + do + CF_VERBOSE(Filtering $cf_rpath_src) + case $cf_rpath_src in #(vi + -L*) #(vi + if test "$cf_rpath_hack" = "-R " ; then + cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e 's%-L%-R %'` + else + cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e s%-L%$cf_rpath_hack%` + fi + CF_VERBOSE(...Filter $cf_rpath_tmp) + EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS" + ;; + *) + cf_rpath_dst="$cf_rpath_dst $cf_rpath_src" + ;; + esac + done + LDFLAGS=$cf_rpath_dst + CF_VERBOSE(...checked LDFLAGS $LDFLAGS) + CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS) +fi +else +AC_MSG_RESULT(no) +fi +])dnl +dnl --------------------------------------------------------------------------- dnl CF_SHARED_OPTS version: 46 updated: 2007/02/24 18:58:09 dnl -------------- dnl -------------- @@ -3992,6 +4270,41 @@ done fi ])dnl dnl --------------------------------------------------------------------------- +dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12 +dnl --------------- +dnl signal handler, but there are some gcc depedencies in that recommendation. +dnl Try anyway. +AC_DEFUN([CF_SIG_ATOMIC_T], +[ +AC_MSG_CHECKING(for signal global datatype) +AC_CACHE_VAL(cf_cv_sig_atomic_t,[ + for cf_type in \ + "volatile sig_atomic_t" \ + "sig_atomic_t" \ + "int" + do + AC_TRY_COMPILE([ +#include +#include +#include + +extern $cf_type x; +$cf_type x; +static void handler(int sig) +{ + x = 5; +}], + [signal(SIGINT, handler); + x = 1], + [cf_cv_sig_atomic_t=$cf_type], + [cf_cv_sig_atomic_t=no]) + test "$cf_cv_sig_atomic_t" != no && break + done + ]) +AC_MSG_RESULT($cf_cv_sig_atomic_t) +test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t) +])dnl +dnl --------------------------------------------------------------------------- dnl CF_SIZECHANGE version: 8 updated: 2000/11/04 12:22:16 dnl ------------- dnl Check for definitions & structures needed for window size-changing @@ -4452,11 +4765,12 @@ AC_DEFUN([CF_UPPER], $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%` ])dnl dnl --------------------------------------------------------------------------- -dnl CF_VERBOSE version: 2 updated: 1997/09/05 10:45:14 +dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12 dnl ---------- dnl Use AC_VERBOSE w/o the warnings AC_DEFUN([CF_VERBOSE], [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG +CF_MSG_LOG([$1]) ])dnl dnl --------------------------------------------------------------------------- dnl CF_WCHAR_TYPE version: 2 updated: 2004/01/17 19:18:20 @@ -4592,7 +4906,7 @@ if test "$with_gpm" != no ; then fi ]) dnl --------------------------------------------------------------------------- -dnl CF_WITH_LIBTOOL version: 16 updated: 2007/03/25 18:05:48 +dnl CF_WITH_LIBTOOL version: 18 updated: 2007/04/08 20:02:38 dnl --------------- dnl Provide a configure option to incorporate libtool. Define several useful dnl symbols for the makefile rules. @@ -4641,7 +4955,7 @@ LIB_PREP="$RANLIB" # doing: LIB_CLEAN= LIB_COMPILE= -LIB_LINK= +LIB_LINK='${CC}' LIB_INSTALL= LIB_UNINSTALL= @@ -4667,12 +4981,12 @@ ifdef([AC_PROG_LIBTOOL],[ AC_MSG_ERROR(Cannot find libtool) fi ])dnl - LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} -version-info `cut -f1 ${srcdir}/VERSION` -o' + LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} -version-info `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} -o' LIB_OBJECT='${OBJECTS:.o=.lo}' LIB_SUFFIX=.la LIB_CLEAN='${LIBTOOL} --mode=clean' LIB_COMPILE='${LIBTOOL} --mode=compile' - LIB_LINK='${LIBTOOL} --mode=link' + LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}' LIB_INSTALL='${LIBTOOL} --mode=install' LIB_UNINSTALL='${LIBTOOL} --mode=uninstall' LIB_PREP=: @@ -4707,6 +5021,7 @@ test -z "$LIBTOOL" && ECHO_LT= AC_SUBST(LIBTOOL) AC_SUBST(LIBTOOL_CXX) +AC_SUBST(LIBTOOL_OPTS) AC_SUBST(LIB_CREATE) AC_SUBST(LIB_OBJECT) @@ -4721,7 +5036,7 @@ AC_SUBST(LIB_UNINSTALL) ])dnl dnl --------------------------------------------------------------------------- -dnl CF_WITH_PATH version: 7 updated: 2006/08/03 15:20:08 +dnl CF_WITH_PATH version: 8 updated: 2007/05/13 13:16:35 dnl ------------ dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just dnl defaulting to yes/no. @@ -4735,7 +5050,9 @@ dnl AC_DEFUN([CF_WITH_PATH], [AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),, ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl +if ifelse($5,,true,[test -n "$5"]) ; then CF_PATH_SYNTAX(withval) +fi $3="$withval" AC_SUBST($3)dnl ])dnl