]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - Ada95/aclocal.m4
ncurses 6.2 - patch 20200509
[ncurses.git] / Ada95 / aclocal.m4
index 057abc8c4fa75dc003aa9e86dfc4a3ec203bdf75..943c05aa907640a1cc2175458241061a90cb3931 100644 (file)
@@ -1,5 +1,6 @@
 dnl***************************************************************************
-dnl Copyright (c) 2010-2019,2020 Free Software Foundation, Inc.              *
+dnl Copyright 2018-2019,2020 Thomas E. Dickey                                *
+dnl Copyright 2010-2017,2018 Free Software Foundation, Inc.                  *
 dnl                                                                          *
 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
 dnl copy of this software and associated documentation files (the            *
@@ -28,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey
 dnl
-dnl $Id: aclocal.m4,v 1.151 2020/01/11 23:42:04 tom Exp $
+dnl $Id: aclocal.m4,v 1.155 2020/03/20 00:23:48 tom Exp $
 dnl Macros used in NCURSES Ada95 auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -728,7 +729,7 @@ cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 3 updated: 2020/01/11 18:39:22
+dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
 dnl -----------------
 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
 dnl character-strings.
@@ -758,7 +759,7 @@ AC_TRY_COMPILE(
 #include <stdlib.h>
 #include <X11/Intrinsic.h>
 ],
-[String foo = malloc(1)],[
+[String foo = malloc(1); (void)foo],[
 
 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
        AC_TRY_COMPILE(
@@ -788,7 +789,7 @@ esac
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 3 updated: 2020/01/11 18:39:22
+dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
 dnl -----------------
 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
 dnl character-strings.
@@ -818,7 +819,7 @@ AC_TRY_COMPILE(
 #include <stdlib.h>
 #include <X11/Intrinsic.h>
 ],
-[String foo = malloc(1)],[
+[String foo = malloc(1); (void)foo],[
 
 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
        AC_TRY_COMPILE(
@@ -928,6 +929,28 @@ CF_ARG_DISABLE(gnat-projects,
 AC_MSG_RESULT($enable_gnat_projects)
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
+dnl -----------------------
+dnl Some linkers cannot reference a data-only object.  Cygwin used to be one.
+dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
+dnl an unconditional feature.
+AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
+
+AC_MSG_CHECKING(if you want broken-linker support code)
+AC_ARG_ENABLE(broken_linker,
+       [  --enable-broken_linker  compile with broken-linker support code],
+       [with_broken_linker=$enableval],
+       [with_broken_linker=no])
+AC_MSG_RESULT($with_broken_linker)
+
+: ${BROKEN_LINKER:=0}
+if test "x$with_broken_linker" = xyes ; then
+       AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
+       BROKEN_LINKER=1
+fi
+AC_SUBST(BROKEN_LINKER)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 dnl ---------------
 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
@@ -1128,7 +1151,7 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[
        AC_MSG_RESULT($ADAFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
+dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
 dnl -----------------
 dnl Test for availability of useful gcc __attribute__ directives to quiet
 dnl compiler warnings.  Though useful, not all are supported -- and contrary
@@ -1172,7 +1195,7 @@ cat > conftest.$ac_ext <<EOF
 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
 extern void foo(void) GCC_NORETURN;
-int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
+int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
 EOF
        cf_printf_attribute=no
        cf_scanf_attribute=no
@@ -1951,7 +1974,7 @@ cf_save_CFLAGS="$cf_save_CFLAGS -we147"
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
+dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
 dnl ------------
 dnl Add checks for large file support.
 AC_DEFUN([CF_LARGEFILE],[
@@ -1991,6 +2014,7 @@ ifdef([AC_FUNC_FSEEKO],[
                struct dirent64 *x = readdir((DIR *)0);
                struct dirent *y = readdir((DIR *)0);
                int z = x - y;
+               (void)z;
                ],
                [cf_cv_struct_dirent64=yes],
                [cf_cv_struct_dirent64=no])
@@ -2191,7 +2215,7 @@ AC_DEFUN([CF_LIB_TYPE],
        test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
+dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
 dnl ----------------
 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
@@ -2251,6 +2275,7 @@ if test "$cf_cv_link_dataonly" = no ; then
        AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
        BROKEN_LINKER=1
 fi
+AC_SUBST(BROKEN_LINKER)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -2552,7 +2577,7 @@ printf("old\n");
        ,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
+dnl CF_NCURSES_CONFIG version: 23 updated: 2020/02/27 05:21:59
 dnl -----------------
 dnl Tie together the configure-script macros for ncurses, preferring these in
 dnl order:
@@ -2574,11 +2599,47 @@ if test "x${PKG_CONFIG:=none}" != xnone; then
                AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
                cf_have_ncuconfig=unknown
 
+               cf_save_CFLAGS="$CFLAGS"
                cf_save_CPPFLAGS="$CPPFLAGS"
                cf_save_LIBS="$LIBS"
 
-               CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
-               CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
+               cf_pkg_cflags=`$PKG_CONFIG --cflags $cf_ncuconfig_root`
+               cf_pkg_libs=`$PKG_CONFIG --libs $cf_ncuconfig_root`
+
+               # while -W for passing linker flags is prevalent, it is not "standard". 
+               # At least one wrapper for c89/c99 (in Apple's xcode) has its own
+               # incompatible _and_ non-standard -W option which gives an error.  Work
+               # around that pitfall.
+               case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
+               (x*c[[89]]9@@*-W*)
+                       CF_ADD_CFLAGS($cf_pkg_cflags)
+                       CF_ADD_LIBS($cf_pkg_libs)
+
+                       AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+                               [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
+                               [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
+                                       int main(void)
+                                       { char *xx = curses_version(); return (xx == 0); }],
+                                       [cf_test_ncuconfig=yes],
+                                       [cf_test_ncuconfig=no],
+                                       [cf_test_ncuconfig=maybe])],
+                               [cf_test_ncuconfig=no])
+
+                       CFLAGS="$cf_save_CFLAGS"
+                       CPPFLAGS="$cf_save_CPPFLAGS"
+                       LIBS="$cf_save_LIBS"
+
+                       if test "x$cf_test_ncuconfig" != xyes; then
+                               cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^     ]]*//g'`
+                               cf_pkg_cflags="$cf_temp"
+                               cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^       ]]*//g'`
+                               cf_pkg_libs="$cf_temp"
+                       fi
+                       ;;
+               esac
+
+               CF_ADD_CFLAGS($cf_pkg_cflags)
+               CF_ADD_LIBS($cf_pkg_libs)
 
                AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
                        [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
@@ -3433,7 +3494,7 @@ do
 done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35
+dnl CF_SHARED_OPTS version: 94 updated: 2020/02/29 16:09:19
 dnl --------------
 dnl --------------
 dnl Attempt to determine the appropriate CC/LD options for creating a shared
@@ -3659,6 +3720,37 @@ CF_EOF
                CF_SHARED_SONAME
                MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
                ;;
+       (mingw*msvc*)
+               cf_cv_shlib_version=mingw
+               cf_cv_shlib_version_infix=mingw
+               shlibdir=$bindir
+               MAKE_DLLS=
+               if test "$DFT_LWR_MODEL" = "shared" ; then
+                       LOCAL_LDFLAGS="-link -dll"
+                       LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+                       EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
+               fi
+               CC_SHARED_OPTS=
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh $@ ${LD} ${CFLAGS}'
+               RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
+               cat >mk_shared_lib.sh <<-CF_EOF
+               #!$SHELL
+               SHARED_LIB=\$1
+               IMPORT_LIB=\`echo "\$1" | sed -e 's/[0-9]*\.dll$\.dll.a/'\`
+               shift
+               my_ld=\$1
+               shift
+               cat <<-EOF
+               Linking shared library
+               ** SHARED LIB \$SHARED_LIB
+               ** IMPORT_LIB \$IMPORT_LIB
+EOF
+               args=\$(echo \$* | sed -E "s#-l(\w*)#lib\1.a#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
+               exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
+               mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
+CF_EOF
+               chmod +x mk_shared_lib.sh
+               ;;
        (mingw*)
                cf_cv_shlib_version=mingw
                cf_cv_shlib_version_infix=mingw
@@ -3924,7 +4016,7 @@ do
 done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
+dnl CF_TERM_HEADER version: 5 updated: 2020/03/19 20:23:48
 dnl --------------
 dnl Look for term.h, which is part of X/Open curses.  It defines the interface
 dnl to terminfo database.  Usually it is in the same include-path as curses.h,
@@ -3945,7 +4037,7 @@ do
 AC_TRY_COMPILE([#include <stdio.h>
 #include <${cf_cv_ncurses_header:-curses.h}>
 #include <$cf_test>
-],[int x = auto_left_margin],[
+],[int x = auto_left_margin; (void)x],[
        cf_cv_term_header="$cf_test"],[
        cf_cv_term_header=unknown
        ])