dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.903 2020/03/08 01:05:14 tom Exp $
+dnl $Id: aclocal.m4,v 1.928 2020/08/22 22:17:47 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
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
[
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)
])
AC_SUBST(ADAFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
+dnl CF_ADD_CXXFLAGS version: 1 updated: 2020/04/04 16:16:13
+dnl ---------------
+dnl Copy non-preprocessor flags to $CXXFLAGS, preprocessor flags to $CPPFLAGS
+dnl The second parameter if given makes this macro verbose.
+dnl
+dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
+dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
+dnl confused by the quotes (which require backslashes to keep them usable).
+AC_DEFUN([CF_ADD_CXXFLAGS],
+[
+cf_save_CXXFLAGS="$CFLAGS"
+CFLAGS="$CXXFLAGS"
+CF_ADD_CFLAGS($1 ifelse($2,,,[,$2]))
+CXXFLAGS="$CFLAGS"
+CFLAGS="$cf_save_CXXFLAGS"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_CFLAGS version: 14 updated: 2020/04/04 16:16:13
dnl -------------
dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
-dnl The second parameter if given makes this macro verbose.
+dnl $1 = flags to add
+dnl $2 = if given makes this macro verbose.
dnl
dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
])dnl
])])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
+dnl CF_AR_FLAGS version: 7 updated: 2020/04/04 11:37:29
dnl -----------
dnl Check for suitable "ar" (archiver) options for updating an archive.
dnl
AC_REQUIRE([CF_PROG_AR])
AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
- cf_cv_ar_flags=unknown
- for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
- do
+ case $cf_cv_system_name in
+ (*-msvc*)
+ cf_cv_ar_flags=''
+ cat >mk_static_lib.sh <<-EOF
+ #!$SHELL
+ MSVC_BIN="[$]AR"
+ out="\[$]1"
+ shift
+ exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
+ EOF
+ chmod +x mk_static_lib.sh
+ AR=`pwd`/mk_static_lib.sh
+ ;;
+ (*)
+ cf_cv_ar_flags=unknown
+ for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
+ do
- # check if $ARFLAGS already contains this choice
- if test "x$ARFLAGS" != "x" ; then
- cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
- if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
- cf_cv_ar_flags=
- break
+ # check if $ARFLAGS already contains this choice
+ if test "x$ARFLAGS" != "x" ; then
+ cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
+ if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
+ cf_cv_ar_flags=
+ break
+ fi
fi
- fi
- rm -f conftest.$ac_cv_objext
- rm -f conftest.a
+ rm -f conftest.$ac_cv_objext
+ rm -f conftest.a
- cat >conftest.$ac_ext <<EOF
+ cat >conftest.$ac_ext <<EOF
#line __oline__ "configure"
int testdata[[3]] = { 123, 456, 789 };
EOF
- if AC_TRY_EVAL(ac_compile) ; then
- echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
- $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
- if test -f conftest.a ; then
- cf_cv_ar_flags=$cf_ar_flags
+ if AC_TRY_EVAL(ac_compile) ; then
+ echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
+ $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
+ if test -f conftest.a ; then
+ cf_cv_ar_flags=$cf_ar_flags
+ break
+ fi
+ else
+ CF_VERBOSE(cannot compile test-program)
break
fi
- else
- CF_VERBOSE(cannot compile test-program)
- break
- fi
- done
- rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
+ done
+ rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
+ ;;
+ esac
])
if test -n "$ARFLAGS" ; then
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
#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_$1=no])
])
AC_DEFINE_UNQUOTED($cf_result)
fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_FVISIBILITY version: 2 updated: 2020/04/04 16:16:13
+dnl --------------------
+dnl Check whether the compiler understands -fvisibility=hidden
+dnl
+dnl $1 = compiler
+dnl $2 = compiler-flags variable name
+dnl $3 = cache variable to set
+AC_DEFUN([CF_CHECK_FVISIBILITY],[
+AC_CACHE_CHECK(if $1 -fvisibility=hidden option works,$3,[
+ cf_save_cflags="[$]$2"
+ $2="[$]$2 -fvisibility=hidden"
+ AC_TRY_LINK([
+__attribute__ ((visibility("default"))) int somefunc() {return 42;}
+ ],[
+ if (somefunc()) return 1;
+],
+ [$3=yes],
+ [$3=no])
+ $2=$cf_save_cflags
+])
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_GETENV version: 1 updated: 2019/06/23 15:28:15
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_GNAT_VERSION version: 2 updated: 2019/12/31 08:53:54
+dnl CF_CHECK_GNAT_VERSION version: 3 updated: 2020/05/23 19:39:36
dnl ---------------------
AC_DEFUN([CF_CHECK_GNAT_VERSION],
[
AC_REQUIRE([CF_GNAT_VERSION])
case $cf_cv_gnat_version in
-(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
+(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
cf_cv_prog_gnat_correct=yes
;;
(*)
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.
#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(
])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
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
AC_SUBST(GNATPREP_OPTS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_GENERICS version: 4 updated: 2019/12/31 08:53:54
+dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
dnl ----------------
AC_DEFUN([CF_GNAT_GENERICS],
[
AC_MSG_CHECKING(if GNAT supports generics)
case $cf_cv_gnat_version in
-(3.[[1-9]]*|[[4-9]].*)
+(3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
cf_gnat_generics=yes
;;
(*)
test "$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],[
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])
test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
+dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47
dnl -------------
dnl Compute the library-prefix for the given host system
dnl $1 = variable to set
LIB_PREFIX=''
fi
;;
+ (*-msvc*)
+ LIB_PREFIX=''
+ ;;
(*) LIB_PREFIX='lib'
;;
esac
AC_SUBST(LIB_PREFIX)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 89 updated: 2020/03/07 20:05:14
+dnl CF_LIB_RULES version: 90 updated: 2020/04/04 10:11:47
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
AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
case $cf_cv_shlib_version in
-(cygdll|msysdll|mingw)
+(cygdll|msysdll|mingw|msvcdll)
TINFO_NAME=$TINFO_ARG_SUFFIX
TINFO_SUFFIX=.dll
;;
cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}"
;;
+ (msvcdll)
+ cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
+ cf_add_lib="../lib/${cf_libname}${cf_cygsuf}"
+ ;;
(*)
cf_add_lib=
;;
CXX_MODEL=$cf_ITEM
if test "$CXX_MODEL" = SHARED; then
case $cf_cv_shlib_version in
- (cygdll|msysdll|mingw)
+ (cygdll|msysdll|mingw|msvcdll)
test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
with_shared_cxx=yes
;;
])
])
dnl ---------------------------------------------------------------------------
-dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
+dnl CF_LIB_SUFFIX version: 26 updated: 2020/04/04 10:11:47
dnl -------------
dnl Compute the library file-suffix from the given model name
dnl $1 = model name
$3=[$]$2
;;
(Xdebug)
- $2='_g.a'
+ case $cf_cv_system_name in
+ (*-msvc*)
+ $2='_g.lib'
+ ;;
+ (*)
+ $2='_g.a'
+ ;;
+ esac
$3=[$]$2
;;
(Xprofile)
- $2='_p.a'
+ case $cf_cv_system_name in
+ (*-msvc*)
+ $2='_p.lib'
+ ;;
+ (*)
+ $2='_p.a'
+ ;;
+ esac
$3=[$]$2
;;
(Xshared)
$2='.so'
$3=[$]$2
;;
+ (*-msvc*)
+ $2='.dll'
+ $3='.dll.lib'
+ ;;
(cygwin*|msys*|mingw*)
$2='.dll'
$3='.dll.a'
esac
;;
(*)
- $2='.a'
+ case $target in
+ (*-msvc*)
+ $2='.lib'
+ ;;
+ (*)
+ $2='.a'
+ ;;
+ esac
$3=[$]$2
;;
esac
test "$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: 14 updated: 2020/07/11 19:09:29
dnl --------
dnl Attempt to determine if we've got one of the flavors of regular-expression
dnl code that we can support.
cf_regex_libs="regex re"
case $host_os in
(mingw*)
- cf_regex_libs="gnurx $cf_regex_libs"
+ cf_regex_libs="systre gnurx $cf_regex_libs"
;;
esac
AC_TRY_LINK([#include <$cf_regex_hdr>],[
char *p = compile("", "", "", 0);
int x = step("", "");
+ (void)p;
+ (void)x;
],[
cf_cv_regex_hdrs=$cf_regex_hdr
break
do
AC_TRY_LINK([#include <sys/types.h>
#include <$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=$cf_regex_hdr
done
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 94 updated: 2020/02/29 16:09:19
+dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
dnl --------------
dnl --------------
dnl Attempt to determine the appropriate CC/LD options for creating a shared
MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
;;
(mingw*msvc*)
- cf_cv_shlib_version=mingw
- cf_cv_shlib_version_infix=mingw
+ cf_cv_shlib_version=msvcdll
+ cf_cv_shlib_version_infix=msvcdll
shlibdir=$bindir
MAKE_DLLS=
if test "$DFT_LWR_MODEL" = "shared" ; then
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 $rel_builddir/mk_shared_lib.sh *.dll.a"
+ MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
+ RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
cat >mk_shared_lib.sh <<-CF_EOF
#!$SHELL
- SHARED_LIB=\$1
- IMPORT_LIB=\`echo "\$1" | sed -e 's/[0-9]*\.dll$\.dll.a/'\`
+ SHARED_LIB=\[$]1
+ IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
shift
- my_ld=\$1
+ 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")
+ args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
CF_EOF
chmod +x mk_shared_lib.sh
+ cat >mk_prog.sh <<-CF_EOF
+ #!$SHELL
+ shift
+ # Ignore first argument (compiler) and use LD (link.exe) unconditionally
+ LD="[$]LD"
+ clopts=()
+ ldopts=("/subsystem:console")
+ libs=()
+ isdll=0
+ while test \[$]# -gt 0; do
+ case "\[$]1" in
+ -link)
+ # ignore -link argument
+ ;;
+ -M[[TD]] | -M[[TD]]d)
+ # ignore runtime-library option
+ ;;
+ -dll)
+ isdll=1
+ ;;
+ -W* | -w*)
+ # ignore warnings
+ ;;
+ -D*)
+ clopts+=("\[$]1")
+ ;;
+ -I*)
+ clopts+=("\[$]1")
+ ;;
+ -l*)
+ libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
+ ;;
+ -L*)
+ ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
+ ;;
+ *.obj | *.o)
+ ldopts+=("\[$]1")
+ ;;
+ -Wl,*)
+ for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
+ ldopts+=("\[$]{linkarg}")
+ done
+ ;;
+ *.lib)
+ ldopts+=("\[$]1")
+ ;;
+ -o)
+ shift
+ ldopts+=("-out:\[$]1")
+ ;;
+ *)
+ clopts+=("\[$]1")
+ ldopts+=("\[$]1")
+ ;;
+ esac
+ shift
+ done
+ if [[ "\$isdll" -ne 0 ]]; then
+ for lib in \[$]{libs[[*]]}; do
+ ldopts+=("\[$]lib.dll.lib")
+ done
+ else
+ for lib in \[$]{libs[[*]]}; do
+ ldopts+=("\[$]lib.lib")
+ done
+ fi
+ cat <<-EOF
+ Creating program
+ ** ld options: "\[$]{ldopts[[@]]}"
+EOF
+ exec \[$]LD \[$]{ldopts[[@]]}
+CF_EOF
+ chmod +x mk_prog.sh
+ LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
+ LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
;;
(mingw*)
cf_cv_shlib_version=mingw
CF_SHARED_SONAME
MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
;;
+ (nskJ*)
+ CC_SHARED_OPTS=
+ MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
+ ;;
+ (nskL*)
+ CC_SHARED_OPTS=
+ MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
+ ;;
(nto-qnx*|openbsd*|freebsd[[12]].*)
CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
CF_SHARED_SONAME
MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
else
- MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]'
+ MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
fi
;;
(osf*|mls+*)
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).
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
#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])
])
#if SIGWINCH != $cf_sigwinch
make an error
#endif
-int x = SIGWINCH],
+int x = SIGWINCH; (void)x],
[cf_cv_fixup_sigwinch=$cf_sigwinch
break])
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.
$cf_type x;
static void handler(int sig)
{
+ (void)sig;
x = 5;
}],
[signal(SIGINT, handler);
test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SIZECHANGE version: 14 updated: 2018/06/20 20:23:13
+dnl CF_SIZECHANGE version: 16 updated: 2020/03/19 20:46:13
dnl -------------
dnl Check for definitions & structures needed for window size-changing
dnl
],[
#ifdef TIOCGSIZE
struct ttysize win; /* SunOS 3.0... */
- int y = win.ts_lines;
- int x = win.ts_cols;
+ int y = win.ts_lines = 2;
+ int x = win.ts_cols = 1;
+ (void)y;
+ (void)x;
#else
#ifdef TIOCGWINSZ
struct winsize win; /* everything else */
- int y = win.ws_row;
- int x = win.ws_col;
+ int y = win.ws_row = 2;
+ int x = win.ws_col = 1;
+ (void)y;
+ (void)x;
#else
no TIOCGSIZE or TIOCGWINSZ
#endif /* TIOCGWINSZ */
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_STRUCT_TERMIOS version: 9 updated: 2018/06/08 21:57:23
+dnl CF_STRUCT_TERMIOS version: 11 updated: 2020/03/19 20:46:13
dnl -----------------
dnl Some machines require _POSIX_SOURCE to completely define struct termios.
AC_DEFUN([CF_STRUCT_TERMIOS],[
if test "$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]))
])