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
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: 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
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
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($1)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
dnl ---------------
dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
AC_MSG_RESULT($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
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 "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
done
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 97 updated: 2020/07/11 19:09:29
+dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
dnl --------------
dnl --------------
dnl Attempt to determine the appropriate CC/LD options for creating a shared
-link)
# ignore -link argument
;;
+ -M[[TD]] | -M[[TD]]d)
+ # ignore runtime-library option
+ ;;
-dll)
isdll=1
;;
CF_EOF
chmod +x mk_prog.sh
LINK_PROGS="$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