ncurses 6.2 - patch 20200829
[ncurses.git] / Ada95 / aclocal.m4
index a8db3ae49fc31312adf8ab8cebc0db4b866478c9..b9982e77a6d65ffcef193705c9c369a1b060878a 100644 (file)
@@ -29,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey
 dnl
-dnl $Id: aclocal.m4,v 1.159 2020/07/11 23:11:37 tom Exp $
+dnl $Id: aclocal.m4,v 1.161 2020/08/29 13:18:29 tom Exp $
 dnl Macros used in NCURSES Ada95 auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -356,6 +356,12 @@ dnl Allow user to disable a normally-on option.
 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
@@ -713,7 +719,7 @@ case $cf_cv_gnat_version in
 esac
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
+dnl CF_CLANG_COMPILER version: 3 updated: 2020/08/28 04:10:22
 dnl -----------------
 dnl Check if the given compiler is really clang.  clang's C driver defines
 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
@@ -744,6 +750,10 @@ cf_save_CFLAGS="$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)
+fi
 ])
 dnl ---------------------------------------------------------------------------
 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
@@ -968,6 +978,29 @@ fi
 AC_SUBST(BROKEN_LINKER)
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_WARNINGS version: 6 updated: 2020/08/28 04:10:22
+dnl ------------------
+dnl Configure-option to enable gcc warnings
+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
+       CF_GCC_ATTRIBUTES
+       CF_GCC_WARNINGS($1)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 dnl ---------------
 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
@@ -1168,6 +1201,40 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[
        AC_MSG_RESULT($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_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
 dnl -----------------
 dnl Test for availability of useful gcc __attribute__ directives to quiet
@@ -1295,7 +1362,7 @@ CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
 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:
@@ -1338,7 +1405,7 @@ then
 
        AC_CHECKING([for $CC warning options])
        cf_save_CFLAGS="$CFLAGS"
-       EXTRA_CFLAGS="-Wall"
+       EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
        for cf_opt in \
                wd1419 \
                wd1683 \
@@ -1361,7 +1428,6 @@ elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
 then
        AC_CHECKING([for $CC warning options])
        cf_save_CFLAGS="$CFLAGS"
-       EXTRA_CFLAGS=
        cf_warn_CONST=""
        test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
        cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
@@ -3539,7 +3605,7 @@ do
 done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 97 updated: 2020/07/11 19:09:29
+dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
 dnl --------------
 dnl --------------
 dnl Attempt to determine the appropriate CC/LD options for creating a shared
@@ -3809,6 +3875,9 @@ CF_EOF
                                -link)
                                        # ignore -link argument
                                        ;;
+                               -M[[TD]] | -M[[TD]]d)
+                                       # ignore runtime-library option
+                                       ;;
                                -dll)
                                        isdll=1
                                        ;;
@@ -3866,6 +3935,7 @@ EOF
 CF_EOF
                chmod +x mk_prog.sh
                LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
+               LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
                ;;
        (mingw*)
                cf_cv_shlib_version=mingw
@@ -3906,6 +3976,14 @@ CF_EOF
                CF_SHARED_SONAME
                MK_SHARED_LIB='${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 $[@]'
@@ -3937,7 +4015,7 @@ CF_EOF
                        CF_SHARED_SONAME
                        MK_SHARED_LIB='${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+*)