-dnl CF_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03
+dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
+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
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 ---------------------------------------------------------------------------
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 ---------------------------------------------------------------------------
- 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
+ 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
-dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
-dnl ----------------
-dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
-dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
-AC_DEFUN([CF_ANSI_CC_CHECK],
-[
-# This should have been defined by AC_PROG_CC
-: ${CC:=cc}
-
-# Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
-# into CC. This will not help with broken scripts that wrap the compiler with
-# options, but eliminates a more common category of user confusion.
-AC_MSG_CHECKING(\$CC variable)
-case "$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
-
-AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
-cf_cv_ansi_cc=no
-cf_save_CFLAGS="$CFLAGS"
-cf_save_CPPFLAGS="$CPPFLAGS"
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX -qlanglvl=ansi
-# Ultrix and OSF/1 -std1
-# HP-UX -Aa -D_HPUX_SOURCE
-# SVR4 -Xc
-# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
-for cf_arg in "-DCC_HAS_PROTOS" \
- "" \
- -qlanglvl=ansi \
- -std1 \
- -Ae \
- "-Aa -D_HPUX_SOURCE" \
- -Xc
-do
- CF_ADD_CFLAGS($cf_arg)
- AC_TRY_COMPILE(
+dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
+dnl --------------
+dnl use this macro for appending text without introducing an extra blank at
+dnl the beginning
+define([CF_APPEND_TEXT],
-#ifndef CC_HAS_PROTOS
-#if !defined(__STDC__) || (__STDC__ != 1)
-choke me
-#endif
-#endif
-],[
- int test (int i, double x);
- struct s1 {int (*f) (int a);};
- struct s2 {int (*f) (double a);};],
- [cf_cv_ansi_cc="$cf_arg"; break])
-done
-CFLAGS="$cf_save_CFLAGS"
-CPPFLAGS="$cf_save_CPPFLAGS"
-])
-
-if test "$cf_cv_ansi_cc" != "no"; then
-if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
- CF_ADD_CFLAGS($cf_cv_ansi_cc)
-else
- AC_DEFINE(CC_HAS_PROTOS)
-fi
-fi
-])dnl
-dnl ---------------------------------------------------------------------------
-dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
-dnl ---------------
-dnl For programs that must use an ANSI compiler, obtain compiler options that
-dnl will make it recognize prototypes. We'll do preprocessor checks in other
-dnl macros, since tools such as unproto can fake prototypes, but only part of
-dnl the preprocessor.
-AC_DEFUN([CF_ANSI_CC_REQD],
-[AC_REQUIRE([CF_ANSI_CC_CHECK])
-if test "$cf_cv_ansi_cc" = "no"; then
- AC_MSG_ERROR(
-[Your compiler does not appear to recognize prototypes.
-You have the following choices:
- a. adjust your compiler options
- b. get an up-to-date compiler
- c. use a wrapper such as unproto])
-fi
+ test -n "[$]$1" && $1="[$]$1 "
+ $1="[$]{$1}$2"
- else
- $4])
- fi],[enableval=$5 ifelse([$4],,,[
- $4
+ else
+ $4])
+ fi],[enableval=$5 ifelse([$4],,,[
+ $4
+])dnl
+])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CC_ENV_FLAGS version: 7 updated: 2017/02/25 18:57:40
+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
+dnl with options, but eliminates a more common category of user confusion.
+dnl
+dnl In particular, it addresses the problem of being able to run the C
+dnl preprocessor in a consistent manner.
+dnl
+dnl Caveat: this also disallows blanks in the pathname for the compiler, but
+dnl the nuisance of having inconsistent settings for compiler and preprocessor
+dnl outweighs that limitation.
+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
+(*[[\ \ ]]-*)
+ AC_MSG_RESULT(broken)
+ AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
+ # humor him...
+ cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
+ cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", substr([$]0,1+length(prog))); }'`
+ CC="$cf_prog"
+ for cf_arg in $cf_flags
+ do
+ case "x$cf_arg" in
+ (x-[[IUDfgOW]]*)
+ CF_ADD_CFLAGS($cf_arg)
+ ;;
+ (*)
+ CC="$CC $cf_arg"
+ ;;
+ esac
+ done
+ CF_VERBOSE(resulting CC: '$CC')
+ CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
+ CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
+ ;;
+(*)
+ AC_MSG_RESULT(ok)
+ ;;
+esac
- cf_save_LIBS="$LIBS"
- cf_term_lib=""
- cf_curs_lib=""
-
- if test ".${cf_cv_ncurses_version:-no}" != .no
- then
- cf_check_list="ncurses curses cursesX"
- else
- cf_check_list="cursesX curses ncurses"
- fi
-
- # Check for library containing tgoto. Do this before curses library
- # because it may be needed to link the test-case for initscr.
- AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
- for cf_term_lib in $cf_check_list otermcap termcap termlib unknown
- do
- AC_CHECK_LIB($cf_term_lib,tgoto,[break])
- done
- ])
-
- # Check for library containing initscr
- test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
- for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
- do
- AC_CHECK_LIB($cf_curs_lib,initscr,[break])
- done
- test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
-
- LIBS="-l$cf_curs_lib $cf_save_LIBS"
- if test "$cf_term_lib" = unknown ; then
- AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
- AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
- [initscr()],
- [cf_result=yes],
- [cf_result=no])
- AC_MSG_RESULT($cf_result)
- test $cf_result = no && AC_MSG_ERROR(Cannot link curses library)
- elif test "$cf_curs_lib" = "$cf_term_lib" ; then
- :
- elif test "$cf_term_lib" != predefined ; then
- AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
- AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
- [initscr(); tgoto((char *)0, 0, 0);],
- [cf_result=no],
- [
- LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
- AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
- [initscr()],
- [cf_result=yes],
- [cf_result=error])
- ])
- AC_MSG_RESULT($cf_result)
- fi
-fi
-fi
-
-])dnl
-dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_TERM_H version: 9 updated: 2011/04/09 18:19:55
+ cf_save_LIBS="$LIBS"
+
+ if test ".${cf_cv_ncurses_version:-no}" != .no
+ then
+ cf_check_list="ncurses curses cursesX"
+ else
+ cf_check_list="cursesX curses ncurses"
+ fi
+
+ # Check for library containing tgoto. Do this before curses library
+ # because it may be needed to link the test-case for initscr.
+ if test "x$cf_term_lib" = x
+ then
+ AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
+ for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
+ do
+ AC_CHECK_LIB($cf_term_lib,tgoto,[break])
+ done
+ ])
+ fi
+
+ # Check for library containing initscr
+ test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
+ if test "x$cf_curs_lib" = x
+ then
+ for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
+ do
+ AC_CHECK_LIB($cf_curs_lib,initscr,[break])
+ done
+ fi
+ test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
+
+ LIBS="-l$cf_curs_lib $cf_save_LIBS"
+ if test "$cf_term_lib" = unknown ; then
+ AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
+ AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+ [initscr()],
+ [cf_result=yes],
+ [cf_result=no])
+ AC_MSG_RESULT($cf_result)
+ test $cf_result = no && AC_MSG_ERROR(Cannot link curses library)
+ elif test "$cf_curs_lib" = "$cf_term_lib" ; then
+ :
+ elif test "$cf_term_lib" != predefined ; then
+ AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
+ AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+ [initscr(); tgoto((char *)0, 0, 0);],
+ [cf_result=no],
+ [
+ LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
+ AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+ [initscr()],
+ [cf_result=yes],
+ [cf_result=error])
+ ])
+ AC_MSG_RESULT($cf_result)
+ fi
+fi
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_TERM_H version: 11 updated: 2015/04/15 19:08:48
+dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
+dnl ----------------------
+dnl On a few platforms, the compiler and/or loader nags with untruthful
+dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
+dnl and implying that most uses of the recommended alternatives are correct.
+dnl
+dnl Factually speaking, no one has actually counted the number of uses of these
+dnl functions versus the total of incorrect uses. Samples of a few thousand
+dnl instances are meaningless compared to the hundreds of millions of lines of
+dnl existing C code.
+dnl
+dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
+dnl platforms, in implementations of varying quality. Likewise, snprintf is
+dnl standard - but evolved through phases, and older implementations are likely
+dnl to yield surprising results, as documented in manpages on various systems.
+AC_DEFUN([CF_ENABLE_STRING_HACKS],
+[
+AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
+AC_ARG_ENABLE(string-hacks,
+ [ --enable-string-hacks work around bogus compiler/loader warnings],
+ [with_string_hacks=$enableval],
+ [with_string_hacks=no])
+AC_MSG_RESULT($with_string_hacks)
+
+if test "x$with_string_hacks" = "xyes"; then
+ AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
+ AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
+ AC_CHECK_FUNC(strlcat,[
+ AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
+ ],[
+ AC_CHECK_LIB(bsd,strlcat,[
+ CF_ADD_LIB(bsd)
+ AC_CHECK_HEADERS(bsd/string.h)
+ AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
+ ])
+ ])
+ AC_CHECK_FUNCS( strlcpy snprintf )
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
- CF_VERBOSE(find linkage for $3 library)
- CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
-
- cf_save_CPPFLAGS="$CPPFLAGS"
- cf_test_CPPFLAGS="$CPPFLAGS"
-
- CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
- for cf_cv_header_path_$3 in $cf_search
- do
- if test -d $cf_cv_header_path_$3 ; then
- CF_VERBOSE(... testing $cf_cv_header_path_$3)
- CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
- AC_TRY_COMPILE([$1],[$2],[
- CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
- cf_cv_find_linkage_$3=maybe
- cf_test_CPPFLAGS="$CPPFLAGS"
- break],[
- CPPFLAGS="$cf_save_CPPFLAGS"
- ])
- fi
- done
-
- if test "$cf_cv_find_linkage_$3" = maybe ; then
-
- CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
-
- cf_save_LIBS="$LIBS"
- cf_save_LDFLAGS="$LDFLAGS"
-
- ifelse([$6],,,[
- CPPFLAGS="$cf_test_CPPFLAGS"
- LIBS="-l$3 $7 $cf_save_LIBS"
- AC_TRY_LINK([$1],[$2],[
- CF_VERBOSE(... found $3 library in system)
- cf_cv_find_linkage_$3=yes])
- CPPFLAGS="$cf_save_CPPFLAGS"
- LIBS="$cf_save_LIBS"
- ])
-
- if test "$cf_cv_find_linkage_$3" != yes ; then
- CF_LIBRARY_PATH(cf_search,$3)
- for cf_cv_library_path_$3 in $cf_search
- do
- if test -d $cf_cv_library_path_$3 ; then
- CF_VERBOSE(... testing $cf_cv_library_path_$3)
- CPPFLAGS="$cf_test_CPPFLAGS"
- LIBS="-l$3 $7 $cf_save_LIBS"
- LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
- AC_TRY_LINK([$1],[$2],[
- CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
- cf_cv_find_linkage_$3=yes
- cf_cv_library_file_$3="-l$3"
- break],[
- CPPFLAGS="$cf_save_CPPFLAGS"
- LIBS="$cf_save_LIBS"
- LDFLAGS="$cf_save_LDFLAGS"
- ])
- fi
- done
- CPPFLAGS="$cf_save_CPPFLAGS"
- LDFLAGS="$cf_save_LDFLAGS"
- fi
-
- else
- cf_cv_find_linkage_$3=no
- fi
- ],$7)
+ CF_VERBOSE(find linkage for $3 library)
+ CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
+
+ cf_save_CPPFLAGS="$CPPFLAGS"
+ cf_test_CPPFLAGS="$CPPFLAGS"
+
+ CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
+ for cf_cv_header_path_$3 in $cf_search
+ do
+ if test -d $cf_cv_header_path_$3 ; then
+ CF_VERBOSE(... testing $cf_cv_header_path_$3)
+ CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
+ AC_TRY_COMPILE([$1],[$2],[
+ CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
+ cf_cv_find_linkage_$3=maybe
+ cf_test_CPPFLAGS="$CPPFLAGS"
+ break],[
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ ])
+ fi
+ done
+
+ if test "$cf_cv_find_linkage_$3" = maybe ; then
+
+ CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
+
+ cf_save_LIBS="$LIBS"
+ cf_save_LDFLAGS="$LDFLAGS"
+
+ ifelse([$6],,,[
+ CPPFLAGS="$cf_test_CPPFLAGS"
+ LIBS="-l$3 $7 $cf_save_LIBS"
+ AC_TRY_LINK([$1],[$2],[
+ CF_VERBOSE(... found $3 library in system)
+ cf_cv_find_linkage_$3=yes])
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ LIBS="$cf_save_LIBS"
+ ])
+
+ if test "$cf_cv_find_linkage_$3" != yes ; then
+ CF_LIBRARY_PATH(cf_search,$3)
+ for cf_cv_library_path_$3 in $cf_search
+ do
+ if test -d $cf_cv_library_path_$3 ; then
+ CF_VERBOSE(... testing $cf_cv_library_path_$3)
+ CPPFLAGS="$cf_test_CPPFLAGS"
+ LIBS="-l$3 $7 $cf_save_LIBS"
+ LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
+ AC_TRY_LINK([$1],[$2],[
+ CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
+ cf_cv_find_linkage_$3=yes
+ cf_cv_library_file_$3="-l$3"
+ break],[
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ LIBS="$cf_save_LIBS"
+ LDFLAGS="$cf_save_LDFLAGS"
+ ])
+ fi
+ done
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ LDFLAGS="$cf_save_LDFLAGS"
+ fi
+
+ else
+ cf_cv_find_linkage_$3=no
+ fi
+ ],$7)
-test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION)
+test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 if we have curses_version function])
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
+dnl ---------------
+dnl Check for openpty() function, along with <pty.h> header. It may need the
+dnl "util" library as well.
+AC_DEFUN([CF_FUNC_OPENPTY],
+[
+AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
+AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
+ cf_save_LIBS="$LIBS"
+ test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
+ for cf_header in pty.h libutil.h util.h
+ do
+ AC_TRY_LINK([
+#include <$cf_header>
+],[
+ int x = openpty((int *)0, (int *)0, (char *)0,
+ (struct termios *)0, (struct winsize *)0);
+],[
+ cf_cv_func_openpty=$cf_header
+ break
+],[
+ cf_cv_func_openpty=no
+])
+ done
+ LIBS="$cf_save_LIBS"
AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
-dnl CF_MIN_GETCCHAR version: 3 updated: 2010/10/23 15:54:49
-dnl ---------------
-dnl CF_MIN_GETCCHAR
-dnl Check whether getcchar's return value counts the trailing null in a wchar_t
-dnl string, or not. X/Open says it does, but Tru64 and Solaris do not do this.
-AC_DEFUN([CF_MIN_GETCCHAR],[
-AC_CACHE_CHECK(if getcchar counts trailing null,cf_cv_min_getcchar,[
-AC_TRY_RUN([
-#include <stdlib.h>
-#include <stdarg.h>
-#include <${cf_cv_ncurses_header:-curses.h}>
-
-int main()
-{
- wchar_t data[2];
- cchar_t temp[2];
- int count;
- data[0] = L'\0';
- setcchar(temp, data, 0, 0, (void *)0);
- count = getcchar(temp, (wchar_t *)0, (attr_t *)0, (short *)0, (void *)0);
- ${cf_cv_main_return:-return}(count != 0);
-}],
- [cf_cv_min_getcchar=no],
- [cf_cv_min_getcchar=yes],
- [cf_cv_min_getcchar=yes])
-])
-if test "$cf_cv_min_getcchar" = yes ; then
- AC_DEFINE(MIN_GETCCHAR,1)
-fi
-])dnl
-dnl ---------------------------------------------------------------------------
-dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
+dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
-CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
-CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
+ CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
+ CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
+
+ AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
+ [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
+ [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
+ int main(void)
+ { char *xx = curses_version(); return (xx == 0); }],
+ [cf_have_ncuconfig=yes],
+ [cf_have_ncuconfig=no],
+ [cf_have_ncuconfig=maybe])],
+ [cf_have_ncuconfig=no])
+ AC_MSG_RESULT($cf_have_ncuconfig)
+ test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
+ if test "$cf_have_ncuconfig" != "yes"
+ then
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ LIBS="$cf_save_LIBS"
+ NCURSES_CONFIG_PKG=none
+ else
+ AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
+ NCURSES_CONFIG_PKG=$cf_ncuconfig_root
+ fi
- cf_path_syntax="$ac_default_prefix"
-fi
-
-case ".[$]$1" in #(vi
-.\[$]\(*\)*|.\'*\'*) #(vi
- ;;
-..|./*|.\\*) #(vi
- ;;
-.[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
- ;;
-.\[$]{*prefix}*) #(vi
- eval $1="[$]$1"
- case ".[$]$1" in #(vi
- .NONE/*)
- $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
- ;;
- esac
- ;; #(vi
-.no|.NONE/*)
- $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
- ;;
-*)
- ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
- ;;
+ cf_path_syntax="$ac_default_prefix"
+fi
+
+case ".[$]$1" in
+(.\[$]\(*\)*|.\'*\'*)
+ ;;
+(..|./*|.\\*)
+ ;;
+(.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
+ ;;
+(.\[$]{*prefix}*|.\[$]{*dir}*)
+ eval $1="[$]$1"
+ case ".[$]$1" in
+ (.NONE/*)
+ $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+ ;;
+ esac
+ ;;
+(.no|.NONE/*)
+ $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+ ;;
+(*)
+ ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+ ;;
-dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
-dnl --------------
-dnl Check if C (preprocessor) -U and -D options are processed in the order
-dnl given rather than by type of option. Some compilers insist on apply all
-dnl of the -U options after all of the -D options. Others allow mixing them,
-dnl and may predefine symbols that conflict with those we define.
-AC_DEFUN([CF_PROG_CC_U_D],
-[
-AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
- cf_save_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
- AC_TRY_COMPILE([],[
-#ifndef U_D_OPTIONS
-make an undefined-error
-#endif
-#ifdef D_U_OPTIONS
-make a defined-error
-#endif
- ],[
- cf_cv_cc_u_d_options=yes],[
- cf_cv_cc_u_d_options=no])
- CPPFLAGS="$cf_save_CPPFLAGS"
-])
+dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
+dnl ----------
+dnl standard check for CC, plus followup sanity checks
+dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
+AC_DEFUN([CF_PROG_CC],[
+ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
+CF_GCC_VERSION
+CF_ACVERSION_CHECK(2.52,
+ [AC_PROG_CC_STDC],
+ [CF_ANSI_CC_REQD])
+CF_CC_ENV_FLAGS
-dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
+dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
+dnl -----------
+dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
+dnl programs need this test).
+dnl
+dnl This is really a MacOS X 10.4.3 workaround. Defining _POSIX_C_SOURCE
+dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct
+dnl winsize declaration is left alone - we may revisit this if Apple choose to
+dnl break that part of the interface as well.
+AC_DEFUN([CF_SIGWINCH],
+[
+AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
+ AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/signal.h>
+],[int x = SIGWINCH],
+ [cf_cv_define_sigwinch=yes],
+ [AC_TRY_COMPILE([
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+],[int x = SIGWINCH],
+ [cf_cv_define_sigwinch=maybe],
+ [cf_cv_define_sigwinch=no])
+])
+])
+
+if test "$cf_cv_define_sigwinch" = maybe ; then
+AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
+cf_cv_fixup_sigwinch=unknown
+cf_sigwinch=32
+while test $cf_sigwinch != 1
+do
+ AC_TRY_COMPILE([
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+],[
+#if SIGWINCH != $cf_sigwinch
+make an error
+#endif
+int x = SIGWINCH],
+ [cf_cv_fixup_sigwinch=$cf_sigwinch
+ break])
+
+cf_sigwinch=`expr $cf_sigwinch - 1`
+done
+])
+
+ if test "$cf_cv_fixup_sigwinch" != unknown ; then
+ CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
+ fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
dnl --------------
dnl Look for term.h, which is part of X/Open curses. It defines the interface
dnl to terminfo database. Usually it is in the same include-path as curses.h,
dnl but some packagers change this, breaking various applications.
AC_DEFUN([CF_TERM_HEADER],[
AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
dnl --------------
dnl Look for term.h, which is part of X/Open curses. It defines the interface
dnl to terminfo database. Usually it is in the same include-path as curses.h,
dnl but some packagers change this, breaking various applications.
AC_DEFUN([CF_TERM_HEADER],[
AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
- [cf_cv_need_xopen_extension=yes],
- [cf_cv_need_xopen_extension=unknown])])])
-test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
+ [cf_cv_need_xopen_extension=none],
+ [
+ for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR
+ do
+ AC_TRY_LINK([
+#define $cf_try_xopen_extension 1
+#include <stdlib.h>
+#include <${cf_cv_ncurses_header:-curses.h}>],[
+#ifdef NCURSES_VERSION
+ cchar_t check;
+ int check2 = curs_set((int)sizeof(check));
+#endif
+ long x = winnstr(stdscr, "", 0);
+ int x1, y1;
+ getbegyx(stdscr, y1, x1)],
+ [cf_cv_need_xopen_extension=$cf_try_xopen_extension; break])
+ done
+ ])
+])
+
+case $cf_cv_need_xopen_extension in
+(*_*)
+ CPPFLAGS="$CPPFLAGS -D$cf_cv_need_xopen_extension"
+ ;;
+esac
+
+# OSX is schizoid about who owns /usr/X11 (old) versus /opt/X11 (new), and (and
+# in some cases has installed dummy files in the former, other cases replaced
+# it with a link to the new location). This complicates the configure script.
+# Check for that pitfall, and recover using pkg-config
+#
+# If none of these are set, the configuration is almost certainly broken.
+if test -z "${X_CFLAGS}${X_PRE_LIBS}${X_LIBS}${X_EXTRA_LIBS}"
+then
+ CF_TRY_PKG_CONFIG(x11,,[AC_MSG_WARN(unable to find X11 library)])
+ CF_TRY_PKG_CONFIG(ice,,[AC_MSG_WARN(unable to find ICE library)])
+ CF_TRY_PKG_CONFIG(sm,,[AC_MSG_WARN(unable to find SM library)])
+ CF_TRY_PKG_CONFIG(xt,,[AC_MSG_WARN(unable to find Xt library)])
+fi
+