dnl
dnl Author: Thomas E. Dickey
dnl
-dnl $Id: aclocal.m4,v 1.161 2020/08/29 13:18:29 tom Exp $
+dnl $Id: aclocal.m4,v 1.167 2020/12/05 21:44:26 tom Exp $
dnl Macros used in NCURSES Ada95 auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
esac
])
dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 3 updated: 2020/08/28 04:10:22
+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,[$2]))
fi
-if test "x$CLANG_COMPILER" = "xyes" ; then
- CF_APPEND_TEXT(CFLAGS,-Wno-error=implicit-function-declaration)
+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 ---------------------------------------------------------------------------
AC_SUBST(BROKEN_LINKER)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_WARNINGS version: 6 updated: 2020/08/28 04:10:22
+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 "$GXX" = yes )
then
AC_MSG_RESULT($with_warnings)
if test "$with_warnings" = "yes"
then
- CF_GCC_ATTRIBUTES
+ ifelse($2,,[CF_GCC_ATTRIBUTES])
CF_GCC_WARNINGS($1)
fi
+ifelse($2,yes,[CF_GCC_ATTRIBUTES])
fi
])dnl
dnl ---------------------------------------------------------------------------
AC_SUBST(EXTRA_CFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
+dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
dnl -----------------
dnl Test for availability of useful gcc __attribute__ directives to quiet
dnl compiler warnings. Though useful, not all are supported -- and contrary
dnl to documentation, unrecognized directives cause older compilers to barf.
AC_DEFUN([CF_GCC_ATTRIBUTES],
[
-if test "$GCC" = yes
+if ( test "$GCC" = yes || test "$GXX" = yes )
then
cat > conftest.i <<EOF
#ifndef GCC_PRINTF
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 "$cf_gnat_libraries" = yes
AC_SUBST(USE_OLD_MAKERULES)
AC_SUBST(USE_GNAT_PROJECTS)
AC_SUBST(USE_GNAT_LIBRARIES)
+AC_SUBST(USE_GNAT_MAKE_GPR)
+AC_SUBST(USE_GNAT_GPRBUILD)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
AC_SUBST(MAKE_LOWER_TAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
+dnl CF_MIXEDCASE_FILENAMES version: 8 updated: 2020/11/14 10:12:15
dnl ----------------------
dnl Check if the file-system supports mixed-case filenames. If we're able to
dnl create a lowercase name and see it as uppercase, it doesn't support that.
AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
if test "$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
;;
(*)
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