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aclocal.m4
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dnl***************************************************************************
dnl Copyright (c) 1998-2013,2014 Free Software Foundation, Inc. *
dnl *
dnl Permission is hereby granted, free of charge, to any person obtaining a *
dnl copy of this software and associated documentation files (the *
dnl "Software"), to deal in the Software without restriction, including *
dnl without limitation the rights to use, copy, modify, merge, publish, *
dnl distribute, distribute with modifications, sublicense, and/or sell *
dnl copies of the Software, and to permit persons to whom the Software is *
dnl furnished to do so, subject to the following conditions: *
dnl *
dnl The above copyright notice and this permission notice shall be included *
dnl in all copies or substantial portions of the Software. *
dnl *
dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
dnl *
dnl Except as contained in this notice, the name(s) of the above copyright *
dnl holders shall not be used in advertising or otherwise to promote the *
dnl sale, use or other dealings in this Software without prior written *
dnl authorization. *
dnl***************************************************************************
dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
dnl $Id: aclocal.m4,v 1.719 2014/12/06 13:37:21 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
dnl this file applies to the aggregation of macros and does not affect use of
dnl these macros in other applications.
dnl
dnl See http://invisible-island.net/autoconf/ for additional information.
dnl
dnl ---------------------------------------------------------------------------
dnl ---------------------------------------------------------------------------
dnl AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
dnl -------------------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl codeset.m4
dnl ====================
dnl serial AM1
dnl
dnl From Bruno Haible.
AC_DEFUN([AM_LANGINFO_CODESET],
[
AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
[AC_TRY_LINK([#include <langinfo.h>],
[char* cs = nl_langinfo(CODESET);],
am_cv_langinfo_codeset=yes,
am_cv_langinfo_codeset=no)
])
if test $am_cv_langinfo_codeset = yes; then
AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
[Define if you have <langinfo.h> and nl_langinfo(CODESET).])
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
dnl ------------------
dnl Conditionally generate script according to whether we're using a given autoconf.
dnl
dnl $1 = version to compare against
dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
dnl $3 = code to use if AC_ACVERSION is older than $1.
define([CF_ACVERSION_CHECK],
[
ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
ifdef([m4_version_compare],
[m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
[CF_ACVERSION_COMPARE(
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
dnl --------------------
dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
dnl MAJOR2, MINOR2, TERNARY2,
dnl PRINTABLE2, not FOUND, FOUND)
define([CF_ACVERSION_COMPARE],
[ifelse(builtin([eval], [$2 < $5]), 1,
[ifelse([$8], , ,[$8])],
[ifelse([$9], , ,[$9])])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
dnl -------------------
dnl Construct the list of include-options for the C programs in the Ada95
dnl binding.
AC_DEFUN([CF_ADA_INCLUDE_DIRS],
[
ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
if test "$srcdir" != "."; then
ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
fi
if test "$GCC" != yes; then
ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
elif test "$includedir" != "/usr/include"; then
if test "$includedir" = '${prefix}/include' ; then
if test x$prefix != x/usr ; then
ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
fi
else
ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
fi
fi
AC_SUBST(ACPPFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
dnl ---------------
dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
AC_DEFUN([CF_ADD_ADAFLAGS],[
ADAFLAGS="$ADAFLAGS $1"
AC_SUBST(ADAFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_CFLAGS version: 11 updated: 2014/07/22 05:32:57
dnl -------------
dnl Copy non-preprocessor flags to $CFLAGS, 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_CFLAGS],
[
cf_fix_cppflags=no
cf_new_cflags=
cf_new_cppflags=
cf_new_extra_cppflags=
for cf_add_cflags in $1
do
case $cf_fix_cppflags in
no)
case $cf_add_cflags in #(vi
-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
case $cf_add_cflags in
-D*)
cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
&& test -z "${cf_tst_cflags}" \
&& cf_fix_cppflags=yes
if test $cf_fix_cppflags = yes ; then
cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
continue
elif test "${cf_tst_cflags}" = "\"'" ; then
cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
continue
fi
;;
esac
case "$CPPFLAGS" in
*$cf_add_cflags) #(vi
;;
*) #(vi
case $cf_add_cflags in #(vi
-D*)
cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
;;
esac
cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
;;
esac
;;
*)
cf_new_cflags="$cf_new_cflags $cf_add_cflags"
;;
esac
;;
yes)
cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
&& test -z "${cf_tst_cflags}" \
&& cf_fix_cppflags=no
;;
esac
done
if test -n "$cf_new_cflags" ; then
ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
CFLAGS="$CFLAGS $cf_new_cflags"
fi
if test -n "$cf_new_cppflags" ; then
ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
fi
if test -n "$cf_new_extra_cppflags" ; then
ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
fi
AC_SUBST(EXTRA_CPPFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
dnl -------------
dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
dnl but old versions (and some misinstalled ones) need that. To make things
dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
dnl the include-path).
AC_DEFUN([CF_ADD_INCDIR],
[
if test -n "$1" ; then
for cf_add_incdir in $1
do
while test $cf_add_incdir != /usr/include
do
if test -d $cf_add_incdir
then
cf_have_incdir=no
if test -n "$CFLAGS$CPPFLAGS" ; then
# a loop is needed to ensure we can add subdirs of existing dirs
for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
cf_have_incdir=yes; break
fi
done
fi
if test "$cf_have_incdir" = no ; then
if test "$cf_add_incdir" = /usr/local/include ; then
if test "$GCC" = yes
then
cf_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
AC_TRY_COMPILE([#include <stdio.h>],
[printf("Hello")],
[],
[cf_have_incdir=yes])
CPPFLAGS=$cf_save_CPPFLAGS
fi
fi
fi
if test "$cf_have_incdir" = no ; then
CF_VERBOSE(adding $cf_add_incdir to include-path)
ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
test "$cf_top_incdir" = "$cf_add_incdir" && break
cf_add_incdir="$cf_top_incdir"
else
break
fi
fi
done
done
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
dnl ----------
dnl Add a library, used to enforce consistency.
dnl
dnl $1 = library to add, without the "-l"
dnl $2 = variable to update (default $LIBS)
AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
dnl -------------
dnl Adds to the library-path
dnl
dnl Some machines have trouble with multiple -L options.
dnl
dnl $1 is the (list of) directory(s) to add
dnl $2 is the optional name of the variable to update (default LDFLAGS)
dnl
AC_DEFUN([CF_ADD_LIBDIR],
[
if test -n "$1" ; then
for cf_add_libdir in $1
do
if test $cf_add_libdir = /usr/lib ; then
:
elif test -d $cf_add_libdir
then
cf_have_libdir=no
if test -n "$LDFLAGS$LIBS" ; then
# a loop is needed to ensure we can add subdirs of existing dirs
for cf_test_libdir in $LDFLAGS $LIBS ; do
if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
cf_have_libdir=yes; break
fi
done
fi
if test "$cf_have_libdir" = no ; then
CF_VERBOSE(adding $cf_add_libdir to library-path)
ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
fi
fi
done
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
dnl -----------
dnl Add one or more libraries, used to enforce consistency. Libraries are
dnl prepended to an existing list, since their dependencies are assumed to
dnl already exist in the list.
dnl
dnl $1 = libraries to add, with the "-l", etc.
dnl $2 = variable to update (default $LIBS)
AC_DEFUN([CF_ADD_LIBS],[
cf_add_libs="$1"
# Filter out duplicates - this happens with badly-designed ".pc" files...
for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
do
for cf_add_2lib in $cf_add_libs
do
if test "x$cf_add_1lib" = "x$cf_add_2lib"
then
cf_add_1lib=
break
fi
done
test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
done
ifelse($2,,LIBS,[$2])="$cf_add_libs"
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
dnl ------------------
dnl Append to a search-list for a nonstandard header/lib-file
dnl $1 = the variable to return as result
dnl $2 = the package name
dnl $3 = the subdirectory, e.g., bin, include or lib
dnl $4 = the directory under which we will test for subdirectories
dnl $5 = a directory that we do not want $4 to match
AC_DEFUN([CF_ADD_SUBDIR_PATH],
[
test "x$4" != "x$5" && \
test -d "$4" && \
ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
test -n "$verbose" && echo " ... testing for $3-directories under $4"
test -d $4/$3 && $1="[$]$1 $4/$3"
test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
}
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
dnl --------------
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_OPTION version: 4 updated: 2010/05/26 05:38:42
dnl -------------
dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
dnl values.
dnl
dnl Parameters:
dnl $1 = option name
dnl $2 = help-string
dnl $3 = action to perform if option is not default
dnl $4 = action if perform if option is default
dnl $5 = default option value (either 'yes' or 'no')
AC_DEFUN([CF_ARG_OPTION],
[AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
if test "$enableval" != "$5" ; then
ifelse([$3],,[ :]dnl
,[ $3]) ifelse([$4],,,[
else
$4])
fi],[enableval=$5 ifelse([$4],,,[
$4
])dnl
])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
dnl -----------
dnl Check for suitable "ar" (archiver) options for updating an archive.
AC_DEFUN([CF_AR_FLAGS],[
AC_REQUIRE([CF_PROG_AR])
AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
cf_cv_ar_flags=unknown
for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
do
# check if $ARFLAGS already contains this choice
if test "x$ARFLAGS" != "x" ; then
cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
cf_cv_ar_flags=
break
fi
fi
rm -f conftest.$ac_cv_objext
rm -f conftest.a
cat >conftest.$ac_ext <<EOF
#line __oline__ "configure"
int testdata[[3]] = { 123, 456, 789 };
EOF
if AC_TRY_EVAL(ac_compile) ; then
echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
if test -f conftest.a ; then
cf_cv_ar_flags=$cf_ar_flags
break
fi
else
CF_VERBOSE(cannot compile test-program)
break
fi
done
rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
])
if test -n "$ARFLAGS" ; then
if test -n "$cf_cv_ar_flags" ; then
ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
fi
else
ARFLAGS=$cf_cv_ar_flags
fi
AC_SUBST(ARFLAGS)
])
dnl ---------------------------------------------------------------------------
dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50
dnl -----------------
dnl Check if awk can handle big strings using printf. Some older versions of
dnl awk choke on large strings passed via "%s".
dnl
dnl $1 = desired string size
dnl $2 = variable to set with result
AC_DEFUN([CF_AWK_BIG_PRINTF],
[
case x$AWK in #(vi
x)
eval $2=no
;;
*) #(vi
if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
| $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
eval $2=yes
else
eval $2=no
fi
;;
esac
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
dnl ------------
dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some
dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
dnl
dnl Treat the configuration-variable specially here, since we're directly
dnl substituting its value (i.e., 1/0).
dnl
dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
AC_DEFUN([CF_BOOL_DECL],
[
AC_MSG_CHECKING(if we should include stdbool.h)
AC_CACHE_VAL(cf_cv_header_stdbool_h,[
AC_TRY_COMPILE([],[bool foo = false],
[cf_cv_header_stdbool_h=0],
[AC_TRY_COMPILE([
#ifndef __BEOS__
#include <stdbool.h>
#endif
],[bool foo = false],
[cf_cv_header_stdbool_h=1],
[cf_cv_header_stdbool_h=0])])])
if test "$cf_cv_header_stdbool_h" = 1
then AC_MSG_RESULT(yes)
else AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([for builtin bool type])
AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
],[bool x = false],
[ifelse($1,,cf_cv_builtin_bool,[$1])=1],
[ifelse($1,,cf_cv_builtin_bool,[$1])=0])
])
if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
then AC_MSG_RESULT(yes)
else AC_MSG_RESULT(no)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_BOOL_SIZE version: 13 updated: 2013/04/13 18:03:21
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
dnl If the current compiler is C rather than C++, we get the bool definition
dnl from <stdbool.h>.
AC_DEFUN([CF_BOOL_SIZE],
[
AC_MSG_CHECKING([for size of bool])
AC_CACHE_VAL(cf_cv_type_of_bool,[
rm -f cf_test.out
AC_TRY_RUN([
#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
int main()
{
FILE *fp = fopen("cf_test.out", "w");
if (fp != 0) {
bool x = true;
if ((bool)(-x) >= 0)
fputs("unsigned ", fp);
if (sizeof(x) == sizeof(int)) fputs("int", fp);
else if (sizeof(x) == sizeof(char)) fputs("char", fp);
else if (sizeof(x) == sizeof(short))fputs("short",fp);
else if (sizeof(x) == sizeof(long)) fputs("long", fp);
fclose(fp);
}
${cf_cv_main_return:-return}(0);
}
],
[cf_cv_type_of_bool=`cat cf_test.out`
if test -z "$cf_cv_type_of_bool"; then
cf_cv_type_of_bool=unknown
fi],
[cf_cv_type_of_bool=unknown],
[cf_cv_type_of_bool=unknown])
])
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 #(vi
.auto|.) NCURSES_BOOL=unsigned;;
esac
AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
cf_cv_type_of_bool=$NCURSES_BOOL
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
dnl -----------
dnl If we're cross-compiling, allow the user to override the tools and their
dnl options. The configure script is oriented toward identifying the host
dnl compiler, etc., but we need a build compiler to generate parts of the
dnl source.
dnl
dnl $1 = default for $CPPFLAGS
dnl $2 = default for $LIBS
AC_DEFUN([CF_BUILD_CC],[
CF_ACVERSION_CHECK(2.52,,
[AC_REQUIRE([CF_PROG_EXT])])
if test "$cross_compiling" = yes ; then
# defaults that we might want to override
: ${BUILD_CFLAGS:=''}
: ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
: ${BUILD_LDFLAGS:=''}
: ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
: ${BUILD_EXEEXT:='$x'}
: ${BUILD_OBJEXT:='o'}
AC_ARG_WITH(build-cc,
[ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
[BUILD_CC="$withval"],
[AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
AC_MSG_CHECKING(for native build C compiler)
AC_MSG_RESULT($BUILD_CC)
AC_MSG_CHECKING(for native build C preprocessor)
AC_ARG_WITH(build-cpp,
[ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
[BUILD_CPP="$withval"],
[BUILD_CPP='${BUILD_CC} -E'])
AC_MSG_RESULT($BUILD_CPP)
AC_MSG_CHECKING(for native build C flags)
AC_ARG_WITH(build-cflags,
[ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
[BUILD_CFLAGS="$withval"])
AC_MSG_RESULT($BUILD_CFLAGS)
AC_MSG_CHECKING(for native build C preprocessor-flags)
AC_ARG_WITH(build-cppflags,
[ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
[BUILD_CPPFLAGS="$withval"])
AC_MSG_RESULT($BUILD_CPPFLAGS)
AC_MSG_CHECKING(for native build linker-flags)
AC_ARG_WITH(build-ldflags,
[ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
[BUILD_LDFLAGS="$withval"])
AC_MSG_RESULT($BUILD_LDFLAGS)
AC_MSG_CHECKING(for native build linker-libraries)
AC_ARG_WITH(build-libs,
[ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
[BUILD_LIBS="$withval"])
AC_MSG_RESULT($BUILD_LIBS)
# this assumes we're on Unix.
BUILD_EXEEXT=
BUILD_OBJEXT=o
: ${BUILD_CC:='${CC}'}
if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
AC_MSG_ERROR([Cross-build requires two compilers.
Use --with-build-cc to specify the native compiler.])
fi
else
: ${BUILD_CC:='${CC}'}
: ${BUILD_CPP:='${CPP}'}
: ${BUILD_CFLAGS:='${CFLAGS}'}
: ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
: ${BUILD_LDFLAGS:='${LDFLAGS}'}
: ${BUILD_LIBS:='${LIBS}'}
: ${BUILD_EXEEXT:='$x'}
: ${BUILD_OBJEXT:='o'}
fi
AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CPP)
AC_SUBST(BUILD_CFLAGS)
AC_SUBST(BUILD_CPPFLAGS)
AC_SUBST(BUILD_LDFLAGS)
AC_SUBST(BUILD_LIBS)
AC_SUBST(BUILD_EXEEXT)
AC_SUBST(BUILD_OBJEXT)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
dnl ---------------
dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
dnl into CC. This will not help with broken scripts that wrap the compiler with
dnl options, but eliminates a more common category of user confusion.
AC_DEFUN([CF_CC_ENV_FLAGS],
[
# This should have been defined by AC_PROG_CC
: ${CC:=cc}
AC_MSG_CHECKING(\$CC variable)
case "$CC" in #(vi
*[[\ \ ]]-[[IUD]]*)
AC_MSG_RESULT(broken)
AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
# humor him...
cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
CF_ADD_CFLAGS($cf_flags)
;;
*)
AC_MSG_RESULT(ok)
;;
esac
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
dnl ---------------
dnl Determine the default configuration into which we'll install ncurses. This
dnl can be overridden by the user's command-line options. There's two items to
dnl look for:
dnl 1. the prefix (e.g., /usr)
dnl 2. the header files (e.g., /usr/include/ncurses)
dnl We'll look for a previous installation of ncurses and use the same defaults.
dnl
dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
dnl programs from a vendor's.
AC_DEFUN([CF_CFG_DEFAULTS],
[
AC_MSG_CHECKING(for prefix)
if test "x$prefix" = "xNONE" ; then
case "$cf_cv_system_name" in
# non-vendor systems don't have a conflict
openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
prefix=/usr
;;
*) prefix=$ac_default_prefix
;;
esac
fi
AC_MSG_RESULT($prefix)
if test "x$prefix" = "xNONE" ; then
AC_MSG_CHECKING(for default include-directory)
test -n "$verbose" && echo 1>&AC_FD_MSG
for cf_symbol in \
$includedir \
$includedir/ncurses \
$prefix/include \
$prefix/include/ncurses \
/usr/local/include \
/usr/local/include/ncurses \
/usr/include \
/usr/include/ncurses
do
cf_dir=`eval echo $cf_symbol`
if test -f $cf_dir/curses.h ; then
if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
includedir="$cf_symbol"
test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
break
fi
fi
test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
done
AC_MSG_RESULT($includedir)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CGETENT version: 5 updated: 2012/10/06 17:56:13
dnl ----------
dnl Check if the terminal-capability database functions are available. If not,
dnl ncurses has a much-reduced version.
AC_DEFUN([CF_CGETENT],[
AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
AC_TRY_LINK([
#include <stdlib.h>],[
char temp[128];
char *buf = temp;
char *db_array = temp;
cgetent(&buf, &db_array, "vt100");
cgetcap(buf, "tc", '=');
cgetmatch(buf, "tc");
],
[cf_cv_cgetent=yes],
[cf_cv_cgetent=no])
])
if test "$cf_cv_cgetent" = yes
then
AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
AC_TRY_LINK([
#include <stdlib.h>],[
char temp[128];
char *buf = temp;
#ifndef _NETBSD_SOURCE /* given, since April 2004 in stdlib.h */
const char *db_array = temp;
cgetent(&buf, &db_array, "vt100");
#endif
cgetcap(buf, "tc", '=');
cgetmatch(buf, "tc");
],
[cf_cv_cgetent_const=yes],
[cf_cv_cgetent_const=no])
])
if test "$cf_cv_cgetent_const" = yes
then
AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
fi
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
dnl --------------
dnl Check if we're accidentally using a cache from a different machine.
dnl Derive the system name, as a check for reusing the autoconf cache.
dnl
dnl If we've packaged config.guess and config.sub, run that (since it does a
dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
dnl which is useful in cross-compiles.
dnl
dnl Note: we would use $ac_config_sub, but that is one of the places where
dnl autoconf 2.5x broke compatibility with autoconf 2.13
AC_DEFUN([CF_CHECK_CACHE],
[
if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
ifelse([$1],,[AC_CANONICAL_HOST],[$1])
system_name="$host_os"
else
system_name="`(uname -s -r) 2>/dev/null`"
if test -z "$system_name" ; then
system_name="`(hostname) 2>/dev/null`"
fi
fi
test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
test -z "$system_name" && system_name="$cf_cv_system_name"
test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
if test ".$system_name" != ".$cf_cv_system_name" ; then
AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
AC_MSG_ERROR("Please remove config.cache and try again.")
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
dnl --------------
dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it
dnl ourselves.
dnl
dnl $1 = the name to check
dnl $2 = the assumed type
AC_DEFUN([CF_CHECK_ERRNO],
[
AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
AC_TRY_COMPILE([
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#include <errno.h> ],
ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
[cf_cv_dcl_$1=yes],
[cf_cv_dcl_$1=no])
])
if test "$cf_cv_dcl_$1" = no ; then
CF_UPPER(cf_result,decl_$1)
AC_DEFINE_UNQUOTED($cf_result)
fi
# It's possible (for near-UNIX clones) that the data doesn't exist
CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
dnl --------------------
dnl Check for existence of external data in the current set of libraries. If
dnl we can modify it, it's real enough.
dnl $1 = the name to check
dnl $2 = its type
AC_DEFUN([CF_CHECK_EXTERN_DATA],
[
AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
AC_TRY_LINK([
#undef $1
extern $2 $1;
],
[$1 = 2],
[cf_cv_have_$1=yes],
[cf_cv_have_$1=no])
])
if test "$cf_cv_have_$1" = yes ; then
CF_UPPER(cf_result,have_$1)
AC_DEFINE_UNQUOTED($cf_result)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
dnl -------------------
dnl Check if GPM is already linked with curses. If so - and if the linkage
dnl is not "weak" - warn about this because it can create problems linking
dnl applications with ncurses.
AC_DEFUN([CF_CHECK_GPM_WGETCH],[
AC_CHECK_LIB(gpm,Gpm_Wgetch,[
AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
cf_cv_check_gpm_wgetch=unknown
if test "$cross_compiling" != yes ; then
cat >conftest.$ac_ext <<CF_EOF
#include <gpm.h>
int main()
{
Gpm_Wgetch();
${cf_cv_main_return:-return}(0);
}
CF_EOF
cf_save_LIBS="$LIBS"
# This only works if we can look at the symbol table. If a shared
# library is stripped for install, we cannot use that. So we're forced
# to rely on the static library, noting that some packagers may not
# include it.
LIBS="-static -lgpm -dynamic $LIBS"
if AC_TRY_EVAL(ac_compile) ; then
if AC_TRY_EVAL(ac_link) ; then
cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
fi
fi
rm -rf conftest*
LIBS="$cf_save_LIBS"
fi
])
if test "$cf_cv_check_gpm_wgetch" != yes ; then
AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
fi
])])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
dnl ------------------------
dnl Show the version of libtool
dnl
dnl Save the version in a cache variable - this is not entirely a good thing,
dnl but the version string from libtool is very ugly, and for bug reports it
dnl might be useful to have the original string.
AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
if test -n "$LIBTOOL" && test "$LIBTOOL" != none
then
AC_MSG_CHECKING(version of $LIBTOOL)
CF_LIBTOOL_VERSION
AC_MSG_RESULT($cf_cv_libtool_version)
if test -z "$cf_cv_libtool_version" ; then
AC_MSG_ERROR(This is not GNU libtool)
fi
else
AC_MSG_ERROR(GNU libtool has not been found)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
dnl ----------------
dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
AC_DEFUN([CF_CHECK_WCHAR_H],[
AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
AC_TRY_COMPILE(
[
#include <stdlib.h>
#include <wchar.h>
],[
wint_t foo = 0;
int bar = iswpunct(foo)],
[cf_cv_wchar_h_okay=yes],
[cf_cv_wchar_h_okay=no])])
if test $cf_cv_wchar_h_okay = no
then
CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
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
dnl not ignore some gcc options.
dnl
dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
dnl the wrappers for gcc and g++ warnings.
dnl
dnl $1 = GCC (default) or GXX
dnl $2 = CLANG_COMPILER (default)
dnl $3 = CFLAGS (default) or CXXFLAGS
AC_DEFUN([CF_CLANG_COMPILER],[
ifelse([$2],,CLANG_COMPILER,[$2])=no
if test "$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