dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.928 2020/08/22 22:17:47 tom Exp $
+dnl $Id: aclocal.m4,v 1.942 2020/12/05 21:43:15 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
AC_SUBST(ADAFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-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
AC_SUBST(EXTRA_CPPFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+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_INCDIR version: 15 updated: 2018/06/20 20:23:13
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_BOOL_SIZE version: 15 updated: 2017/01/21 11:06:25
+dnl CF_BOOL_SIZE version: 17 updated: 2020/10/24 19:48:55
dnl ------------
dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
dnl Don't bother looking for bool.h, since it's been deprecated.
dnl from <stdbool.h>.
AC_DEFUN([CF_BOOL_SIZE],
[
-AC_MSG_CHECKING([for size of bool])
-AC_CACHE_VAL(cf_cv_type_of_bool,[
+AC_CHECK_SIZEOF(bool,,[
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+])
+
+AC_CACHE_CHECK(for type of bool, cf_cv_type_of_bool,[
rm -f cf_test.out
AC_TRY_RUN([
#include <stdlib.h>
cf_cv_type_of_bool=unknown
fi],
[cf_cv_type_of_bool=unknown],
- [cf_cv_type_of_bool=unknown])
- ])
+ [
+ case x$ac_cv_sizeof_bool in
+ (x1) cf_cv_type_of_bool="unsigned char";;
+ (x2) cf_cv_type_of_bool="unsigned short";;
+ (x4) cf_cv_type_of_bool="unsigned int";;
+ (x8) cf_cv_type_of_bool="unsigned long";;
+ (*) cf_cv_type_of_bool=unknown;;
+ esac
+ ])
rm -f cf_test.out
-AC_MSG_RESULT($cf_cv_type_of_bool)
+])
+
if test "$cf_cv_type_of_bool" = unknown ; then
case .$NCURSES_BOOL in
(.auto|.) NCURSES_BOOL=unsigned;;
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
+dnl CF_CLANG_COMPILER version: 6 updated: 2020/11/26 17:37:55
dnl -----------------
dnl Check if the given compiler is really clang. clang's C driver defines
dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
if test "$ifelse([$1],,[$1],GCC)" = yes ; then
AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
- ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
AC_TRY_COMPILE([],[
#ifdef __clang__
#else
make an error
#endif
],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
-cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
],[])
ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
fi
+
+CLANG_VERSION=none
+
+if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
+ case "$CC" in
+ (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
+ AC_MSG_WARN(replacing broken compiler alias $CC)
+ CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
+ CC=clang
+ ;;
+ esac
+
+ AC_MSG_CHECKING(version of $CC)
+ CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+ test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
+ AC_MSG_RESULT($CLANG_VERSION)
+
+ for cf_clang_opt in \
+ -Qunused-arguments \
+ -Wno-error=implicit-function-declaration
+ do
+ AC_MSG_CHECKING(if option $cf_clang_opt works)
+ cf_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $cf_clang_opt"
+ AC_TRY_LINK([
+ #include <stdio.h>],[
+ printf("hello!\n");],[
+ cf_clang_optok=yes],[
+ cf_clang_optok=no])
+ AC_MSG_RESULT($cf_clang_optok)
+ CFLAGS="$cf_save_CFLAGS"
+ if test $cf_clang_optok = yes; then
+ CF_VERBOSE(adding option $cf_clang_opt)
+ CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
+ fi
+ done
+fi
])
dnl ---------------------------------------------------------------------------
dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
fi
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21
+dnl ------------------
+dnl Configure-option to enable gcc warnings
+dnl
+dnl $1 = extra options to add, if supported
+dnl $2 = option for checking attributes. By default, this is done when
+dnl warnings are enabled. For other values:
+dnl yes: always do this, e.g., to use in generated library-headers
+dnl no: never do this
+AC_DEFUN([CF_ENABLE_WARNINGS],[
+if ( test "$GCC" = yes || test "$GXX" = yes )
+then
+CF_FIX_WARNINGS(CFLAGS)
+CF_FIX_WARNINGS(CPPFLAGS)
+CF_FIX_WARNINGS(LDFLAGS)
+AC_MSG_CHECKING(if you want to turn on gcc warnings)
+CF_ARG_ENABLE(warnings,
+ [ --enable-warnings test: turn on gcc compiler warnings],
+ [with_warnings=yes],
+ [with_warnings=no])
+AC_MSG_RESULT($with_warnings)
+if test "$with_warnings" = "yes"
+then
+ ifelse($2,,[CF_GCC_ATTRIBUTES])
+ CF_GCC_WARNINGS($1)
+fi
+ifelse($2,yes,[CF_GCC_ATTRIBUTES])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
dnl --------
dnl Check if 'errno' is declared in <errno.h>
AC_MSG_RESULT($ADAFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
+dnl ---------------
+dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
+dnl "-Werror" flags can interfere with configure-checks. Those go into
+dnl EXTRA_CFLAGS.
+dnl
+dnl $1 = variable name to repair
+define([CF_FIX_WARNINGS],[
+if ( test "$GCC" = yes || test "$GXX" = yes )
+then
+ case [$]$1 in
+ (*-Werror=*)
+ CF_VERBOSE(repairing $1: [$]$1)
+ cf_temp_flags=
+ for cf_temp_scan in [$]$1
+ do
+ case "x$cf_temp_scan" in
+ (x-Werror=*)
+ CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
+ ;;
+ (*)
+ CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
+ ;;
+ esac
+ done
+ $1="$cf_temp_flags"
+ CF_VERBOSE(... fixed [$]$1)
+ CF_VERBOSE(... extra $EXTRA_CFLAGS)
+ ;;
+ esac
+fi
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_FOPEN_BIN_R version: 2 updated: 2019/12/31 08:53:54
dnl --------------
dnl Check if fopen works when the "b" (binary) flag is added to the mode
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
+dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
dnl -----------------
dnl Test for availability of useful gcc __attribute__ directives to quiet
dnl compiler warnings. Though useful, not all are supported -- and contrary
dnl to documentation, unrecognized directives cause older compilers to barf.
AC_DEFUN([CF_GCC_ATTRIBUTES],
[
-if test "$GCC" = yes
+if ( test "$GCC" = yes || test "$GXX" = yes )
then
cat > conftest.i <<EOF
#ifndef GCC_PRINTF
CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 37 updated: 2020/01/05 20:04:12
+dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
dnl ---------------
dnl Check if the compiler supports useful warning options. There's a few that
dnl we don't use, simply because they're too noisy:
AC_CHECKING([for $CC warning options])
cf_save_CFLAGS="$CFLAGS"
- EXTRA_CFLAGS="-Wall"
+ EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
for cf_opt in \
wd1419 \
wd1683 \
then
AC_CHECKING([for $CC warning options])
cf_save_CFLAGS="$CFLAGS"
- EXTRA_CFLAGS=
cf_warn_CONST=""
test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
AC_SUBST(cf_generic_objects)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GNAT_PROJECTS version: 10 updated: 2019/12/31 08:53:54
+dnl CF_GNAT_PROJECTS version: 11 updated: 2020/12/05 16:42:18
dnl ----------------
dnl GNAT projects are configured with ".gpr" project files.
dnl GNAT libraries are a further development, using the project feature.
AC_MSG_RESULT($cf_gnat_libraries)
fi
+USE_OLD_MAKERULES=""
+USE_GNAT_PROJECTS="#"
+USE_GNAT_MAKE_GPR="#"
+USE_GNAT_GPRBUILD="#"
+
if test "$cf_gnat_projects" = yes
then
USE_OLD_MAKERULES="#"
USE_GNAT_PROJECTS=""
-else
- USE_OLD_MAKERULES=""
- USE_GNAT_PROJECTS="#"
+ if test "$cf_cv_VERSION_GPRBUILD" != no
+ then
+ USE_GNAT_GPRBUILD=""
+ elif test "$cf_cv_VERSION_GNATMAKE" != no
+ then
+ USE_GNAT_MAKE_GPR=""
+ else
+ AC_MSG_WARN(use old makefile rules since tools are missing)
+ fi
fi
if test "$cf_gnat_libraries" = yes
AC_SUBST(USE_OLD_MAKERULES)
AC_SUBST(USE_GNAT_PROJECTS)
AC_SUBST(USE_GNAT_LIBRARIES)
+AC_SUBST(USE_GNAT_MAKE_GPR)
+AC_SUBST(USE_GNAT_GPRBUILD)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
+dnl CF_MIXEDCASE_FILENAMES version: 8 updated: 2020/11/14 10:12:15
dnl ----------------------
dnl Check if the file-system supports mixed-case filenames. If we're able to
dnl create a lowercase name and see it as uppercase, it doesn't support that.
AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
if test "$cross_compiling" = yes ; then
case $target_alias in
- (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
+ (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
cf_cv_mixedcase=no
;;
(*)
test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_REGEX version: 14 updated: 2020/07/11 19:09:29
+dnl CF_REGEX version: 16 updated: 2020/09/26 19:56:36
dnl --------
dnl Attempt to determine if we've got one of the flavors of regular-expression
dnl code that we can support.
[
cf_regex_func=no
-
-cf_regex_libs="regex re"
+cf_regex_libs=
case $host_os in
(mingw*)
- cf_regex_libs="systre gnurx $cf_regex_libs"
+ # -lsystre -ltre -lintl -liconv
+ AC_CHECK_LIB(systre,regcomp,[
+ AC_CHECK_LIB(iconv,libiconv_open,[CF_ADD_LIB(iconv)])
+ AC_CHECK_LIB(intl,libintl_gettext,[CF_ADD_LIB(intl)])
+ AC_CHECK_LIB(tre,tre_regcomp,[CF_ADD_LIB(tre)])
+ CF_ADD_LIB(systre)
+ cf_regex_func=regcomp
+ ],[
+ AC_CHECK_LIB(gnurx,regcomp,[
+ CF_ADD_LIB(gnurx)
+ cf_regex_func=regcomp])
+ ])
+ ;;
+(*)
+ cf_regex_libs="regex re"
+ AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
+ for cf_regex_lib in $cf_regex_libs
+ do
+ AC_CHECK_LIB($cf_regex_lib,regcomp,[
+ CF_ADD_LIB($cf_regex_lib)
+ cf_regex_func=regcomp
+ break])
+ done
+ ])
;;
esac
-AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
- for cf_regex_lib in $cf_regex_libs
- do
- AC_CHECK_LIB($cf_regex_lib,regcomp,[
- CF_ADD_LIB($cf_regex_lib)
- cf_regex_func=regcomp
- break])
- done
-])
-
if test "$cf_regex_func" = no ; then
AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
AC_CHECK_LIB(gen,compile,[
projects / ncurses.git / blobdiff