X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=46a9f1f7f4cf1a359d6e0840b29bd6cb8bb940a5;hp=a19ee2cf54747a4ada72a2c32c19d331a34342a3;hb=f44733b760290aa8f51c6c9e1e463254833bffcd;hpb=18f51bcf99101e5bf4c737239c44064227f34db8

diff --git a/aclocal.m4 b/aclocal.m4
index a19ee2cf..46a9f1f7 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -29,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.897 2020/02/29 21:30:04 anonymous.maarten Exp $
+dnl $Id: aclocal.m4,v 1.904 2020/03/20 00:46:13 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -42,7 +42,7 @@ dnl		https://invisible-island.net/autoconf/my-autoconf.html
 dnl
 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------
-dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
+dnl AM_LANGINFO_CODESET version: 5 updated: 2020/03/10 18:53:47
 dnl -------------------
 dnl Inserted as requested by gettext 0.10.40
 dnl File from /usr/share/aclocal
@@ -55,7 +55,7 @@ AC_DEFUN([AM_LANGINFO_CODESET],
 [
 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
 	[AC_TRY_LINK([#include <langinfo.h>],
-	[char* cs = nl_langinfo(CODESET);],
+	[char* cs = nl_langinfo(CODESET); (void)cs],
 	am_cv_langinfo_codeset=yes,
 	am_cv_langinfo_codeset=no)
 	])
@@ -957,7 +957,7 @@ fi
 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57
+dnl CF_CHECK_ERRNO version: 13 updated: 2020/03/10 18:53:47
 dnl --------------
 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
@@ -975,7 +975,7 @@ AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 #include <stdio.h>
 #include <sys/types.h>
 #include <errno.h> ],
-	ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
+	ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1; (void)x,
 	[cf_cv_dcl_$1=yes],
 	[cf_cv_dcl_$1=no])
 ])
@@ -1427,7 +1427,7 @@ cf_save_CFLAGS="$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.
@@ -1457,7 +1457,7 @@ 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(
@@ -2476,7 +2476,7 @@ esac
 
 ])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
@@ -2520,7 +2520,7 @@ cat > conftest.$ac_ext <<EOF
 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
 extern void foo(void) GCC_NORETURN;
-int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
+int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
 EOF
 	cf_printf_attribute=no
 	cf_scanf_attribute=no
@@ -3675,7 +3675,7 @@ AC_MSG_RESULT($cf_cv_have_isascii)
 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
 ])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],[
@@ -3715,6 +3715,7 @@ 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])
@@ -4015,7 +4016,7 @@ ifelse($1,,,[$1=$LIB_PREFIX])
 	AC_SUBST(LIB_PREFIX)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 88 updated: 2018/08/18 12:19:21
+dnl CF_LIB_RULES version: 89 updated: 2020/03/07 20:05:14
 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
@@ -4103,8 +4104,13 @@ CF_EOF
 		for cf_item in $cf_LIST_MODELS
 		do
 			CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
-			cf_libname=$cf_dir
-			test "$cf_dir" = c++ && cf_libname=ncurses++
+			if test "$cf_dir" = "c++"
+			then
+				CF_MAP_LIB_BASENAME(cf_libname,cxx)
+			else
+				CF_MAP_LIB_BASENAME(cf_libname,$cf_dir)
+			fi
+			test -z "$cf_libname" && cf_libname="$cf_dir"
 			if test $cf_item = shared ; then
 				if test -n "${LIB_SUFFIX}"
 				then
@@ -4282,8 +4288,10 @@ CF_EOF
 					;;
 				esac
 			elif test $cf_dir = c++ ; then
-				cf_libname=ncurses++$USE_LIB_SUFFIX
+				CF_MAP_LIB_BASENAME(cf_libname,cxx)
+				cf_libname=${cf_libname}$USE_LIB_SUFFIX
 			else
+				CF_MAP_LIB_BASENAME(cf_libname,$cf_dir)
 				cf_libname=${cf_libname}$USE_LIB_SUFFIX
 			fi
 			if test -n "${USE_ARG_SUFFIX}" ; then
@@ -5479,6 +5487,17 @@ exit 0
 CF_EOF
 chmod 755 $cf_edit_man
 
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAP_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl -------------------
+dnl Convert a default-libname to the actual one used via CF_WITH_LIB_BASENAME.
+dnl
+dnl $1 = variable to set
+dnl $2 = default-libname
+AC_DEFUN([CF_MAP_LIB_BASENAME],[
+CF_UPPER(cf_map_lib_basename,$2)
+eval $1=\$${cf_map_lib_basename}_NAME
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25
@@ -6270,7 +6289,7 @@ AC_MSG_RESULT($cf_prog_ln_sf)
 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_REGEX version: 12 updated: 2015/04/18 08:56:57
+dnl CF_REGEX version: 13 updated: 2020/03/10 18:53:47
 dnl --------
 dnl Attempt to determine if we've got one of the flavors of regular-expression
 dnl code that we can support.
@@ -6317,6 +6336,8 @@ case $cf_regex_func in
 		AC_TRY_LINK([#include <$cf_regex_hdr>],[
 			char *p = compile("", "", "", 0);
 			int x = step("", "");
+			(void)p;
+			(void)x;
 		],[
 			cf_cv_regex_hdrs=$cf_regex_hdr
 			break
@@ -6328,9 +6349,11 @@ case $cf_regex_func in
 	do
 		AC_TRY_LINK([#include <sys/types.h>
 #include <$cf_regex_hdr>],[
-			regex_t *p;
+			regex_t *p = 0;
 			int x = regcomp(p, "", 0);
 			int y = regexec(p, "", 0, 0, 0);
+			(void)x;
+			(void)y;
 			regfree(p);
 		],[
 			cf_cv_regex_hdrs=$cf_regex_hdr
@@ -7025,7 +7048,7 @@ define([CF_SHARED_SONAME],
 	fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_SIGWINCH version: 2 updated: 2019/03/23 19:54:44
+dnl CF_SIGWINCH version: 3 updated: 2020/03/10 18:53:47
 dnl -----------
 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
 dnl programs need this test).
@@ -7040,7 +7063,7 @@ AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
 	AC_TRY_COMPILE([
 #include <sys/types.h>
 #include <sys/signal.h>
-],[int x = SIGWINCH],
+],[int x = SIGWINCH; (void)x],
 	[cf_cv_define_sigwinch=yes],
 	[AC_TRY_COMPILE([
 #undef _XOPEN_SOURCE
@@ -7048,7 +7071,7 @@ AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
 #undef _POSIX_C_SOURCE
 #include <sys/types.h>
 #include <sys/signal.h>
-],[int x = SIGWINCH],
+],[int x = SIGWINCH; (void)x],
 	[cf_cv_define_sigwinch=maybe],
 	[cf_cv_define_sigwinch=no])
 ])
@@ -7070,7 +7093,7 @@ do
 #if SIGWINCH != $cf_sigwinch
 make an error
 #endif
-int x = SIGWINCH],
+int x = SIGWINCH; (void)x],
 	[cf_cv_fixup_sigwinch=$cf_sigwinch
 	 break])
 
@@ -7084,7 +7107,7 @@ done
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SIG_ATOMIC_T version: 4 updated: 2020/01/18 12:30:44
+dnl CF_SIG_ATOMIC_T version: 5 updated: 2020/03/10 18:53:47
 dnl ---------------
 dnl signal handler, but there are some gcc dependencies in that recommendation.
 dnl Try anyway.
@@ -7106,6 +7129,7 @@ extern $cf_type x;
 $cf_type x;
 static void handler(int sig)
 {
+	(void)sig;
 	x = 5;
 }],
 		[signal(SIGINT, handler);
@@ -7119,7 +7143,7 @@ AC_MSG_RESULT($cf_cv_sig_atomic_t)
 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SIZECHANGE version: 14 updated: 2018/06/20 20:23:13
+dnl CF_SIZECHANGE version: 16 updated: 2020/03/19 20:46:13
 dnl -------------
 dnl Check for definitions & structures needed for window size-changing
 dnl
@@ -7162,13 +7186,17 @@ do
 ],[
 #ifdef TIOCGSIZE
 	struct ttysize win;	/* SunOS 3.0... */
-	int y = win.ts_lines;
-	int x = win.ts_cols;
+	int y = win.ts_lines = 2;
+	int x = win.ts_cols = 1;
+	(void)y;
+	(void)x;
 #else
 #ifdef TIOCGWINSZ
 	struct winsize win;	/* everything else */
-	int y = win.ws_row;
-	int x = win.ws_col;
+	int y = win.ws_row = 2;
+	int x = win.ws_col = 1;
+	(void)y;
+	(void)x;
 #else
 	no TIOCGSIZE or TIOCGWINSZ
 #endif /* TIOCGWINSZ */
@@ -7195,7 +7223,7 @@ if test "$cf_cv_sizechange" != no ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SRC_MODULES version: 31 updated: 2019/09/21 18:08:42
+dnl CF_SRC_MODULES version: 32 updated: 2020/03/07 20:05:14
 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 $cf_cv_src_modules which we'll
@@ -7249,14 +7277,15 @@ do
 			CF_UPPER(cf_have_include,$cf_dir)
 			AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
 			AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
-			TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
-			TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
+			CF_MAP_LIB_BASENAME(TEST_ROOT,$cf_dir)
+			TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${TEST_ROOT}${DFT_DEP_SUFFIX} $TEST_DEPS"
+			TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${TEST_ROOT}${DFT_DEP_SUFFIX} $TEST_DEP2"
 			if test "$DFT_LWR_MODEL" = "libtool"; then
 				TEST_ARGS="${TEST_DEPS}"
 				TEST_ARG2="${TEST_DEP2}"
 			else
-				TEST_ARGS="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARGS"
-				TEST_ARG2="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARG2"
+				TEST_ARGS="-l${TEST_ROOT}${USE_ARG_SUFFIX} $TEST_ARGS"
+				TEST_ARG2="-l${TEST_ROOT}${USE_ARG_SUFFIX} $TEST_ARG2"
 			fi
 			PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${USE_ARG_SUFFIX}"
 		fi
@@ -7406,7 +7435,7 @@ AC_MSG_RESULT($sigact_bad)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_STRUCT_TERMIOS version: 9 updated: 2018/06/08 21:57:23
+dnl CF_STRUCT_TERMIOS version: 11 updated: 2020/03/19 20:46:13
 dnl -----------------
 dnl Some machines require _POSIX_SOURCE to completely define struct termios.
 AC_DEFUN([CF_STRUCT_TERMIOS],[
@@ -7429,12 +7458,12 @@ if test "$ac_cv_header_termios_h" = yes ; then
 	if test "$termios_bad" = maybe ; then
 	AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
 	AC_TRY_COMPILE([#include <termios.h>],
-		[struct termios foo; int x = foo.c_iflag],
+		[struct termios foo; int x = foo.c_iflag = 1; (void)x],
 		termios_bad=no, [
 		AC_TRY_COMPILE([
 #define _POSIX_SOURCE
 #include <termios.h>],
-			[struct termios foo; int x = foo.c_iflag],
+			[struct termios foo; int x = foo.c_iflag = 2; (void)x],
 			termios_bad=unknown,
 			termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE]))
 			])
@@ -8374,6 +8403,35 @@ esac
 AC_SUBST(LIBTOOL_OPTS)
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl --------------------
+dnl Allow for overriding the basename of a library, i.e., the part to which
+dnl prefixes/suffixes are attached.
+dnl
+dnl $1 = variable to set
+dnl $2 = option name
+dnl $3 = default basename for library, if omitted use $2
+AC_DEFUN([CF_WITH_LIB_BASENAME],
+[
+AC_MSG_CHECKING(for desired basename for $2 library)
+AC_ARG_WITH($2-libname,
+	[  --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library],
+	[with_lib_basename=$withval],
+	[with_lib_basename=ifelse($3,,$2,$3)])
+$1="$with_lib_basename"
+
+case "x[$]$1" in
+(x|xno|xnone|xyes)
+	$1=ifelse($3,,$2,$3)
+	;;
+(*)
+	;;
+esac
+
+AC_MSG_RESULT([$]$1)
+AC_SUBST($1)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
 dnl ------------------
 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no