dnl
dnl Author: Thomas E. Dickey
dnl
-dnl $Id: aclocal.m4,v 1.158 2020/07/04 23:32:09 tom Exp $
+dnl $Id: aclocal.m4,v 1.166 2020/11/26 22:37:55 tom Exp $
dnl Macros used in NCURSES Ada95 auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
AC_DEFUN([CF_ARG_DISABLE],
[CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
+dnl -------------
+dnl Allow user to enable a normally-off option.
+AC_DEFUN([CF_ARG_ENABLE],
+[CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
dnl -------------
dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
esac
])
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
AC_SUBST(BROKEN_LINKER)
])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($2,yes,[CF_GCC_ATTRIBUTES])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
dnl ---------------
dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
AC_MSG_RESULT($ADAFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
+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 $EXTRA_CFLAGS)
+ ;;
+ esac
+fi
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
dnl -----------------
dnl Test for availability of useful gcc __attribute__ directives to quiet
dnl compiler warnings. Though useful, not all are supported -- and contrary
dnl to documentation, unrecognized directives cause older compilers to barf.
AC_DEFUN([CF_GCC_ATTRIBUTES],
[
-if test "$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 "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
AC_SUBST(MAKE_LOWER_TAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
+dnl CF_MIXEDCASE_FILENAMES version: 8 updated: 2020/11/14 10:12:15
dnl ----------------------
dnl Check if the file-system supports mixed-case filenames. If we're able to
dnl create a lowercase name and see it as uppercase, it doesn't support that.
AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
if test "$cross_compiling" = yes ; then
case $target_alias in
- (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
+ (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
cf_cv_mixedcase=no
;;
(*)
done
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 96 updated: 2020/05/23 19:39:36
+dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
dnl --------------
dnl --------------
dnl Attempt to determine the appropriate CC/LD options for creating a shared
# Ignore first argument (compiler) and use LD (link.exe) unconditionally
LD="[$]LD"
clopts=()
- ldopts=()
+ ldopts=("/subsystem:console")
libs=()
isdll=0
while test \[$]# -gt 0; do
-link)
# ignore -link argument
;;
+ -M[[TD]] | -M[[TD]]d)
+ # ignore runtime-library option
+ ;;
-dll)
isdll=1
;;
CF_EOF
chmod +x mk_prog.sh
LINK_PROGS="$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+*)
projects / ncurses.git / blobdiff