dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.838 2018/06/16 23:07:10 tom Exp $
+dnl $Id: aclocal.m4,v 1.841 2018/07/14 23:48:44 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
+dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
dnl -------------
dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
if test "$GCC" = yes
then
cf_save_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
+ CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
AC_TRY_COMPILE([#include <stdio.h>],
[printf("Hello")],
[],
CXXFLAGS="$cf_save_CXXFLAGS"
])
dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
+dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
dnl ---------------
dnl Find a library (specifically the linkage used in the code fragment),
dnl searching for it if it is not already in the library path.
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_$3"
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ CF_APPEND_TEXT(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_$3=maybe
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
+dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13
dnl ---------------
dnl Check if the compiler supports useful warning options. There's a few that
dnl we don't use, simply because they're too noisy:
test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
case $cf_opt in
(Wcast-qual)
- CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
+ CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
;;
(Winline)
case $GCC_VERSION in
esac
])
dnl ---------------------------------------------------------------------------
-dnl CF_GNU_SOURCE version: 8 updated: 2018/06/16 19:05:13
+dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
dnl -------------
dnl Check if we must define _GNU_SOURCE to get a reasonable value for
dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
# was changed to help a little...
AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
+ CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
AC_TRY_COMPILE([#include <sys/types.h>],[
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
return 0;
])
if test "x$cf_cv_gnu_library_219" = xyes; then
+ cf_save="$CPPFLAGS"
AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
- cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source"
+ CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
AC_TRY_COMPILE([
#include <limits.h>
#include <sys/types.h>
#endif],
[cf_cv_gnu_source=no],
[cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+ CF_ADD_CFLAGS(-D_GNU_SOURCE)
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifdef _XOPEN_SOURCE
#error expected _XOPEN_SOURCE to be undefined
if test "$cf_cv_gnu_source" = yes
then
AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
- CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+ CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifdef _DEFAULT_SOURCE
#error expected _DEFAULT_SOURCE to be undefined
[cf_cv_default_source=no],
[cf_cv_default_source=yes])
])
- test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
+ if test "$cf_cv_default_source" = yes
+ then
+ CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
+ fi
fi
fi
test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LARGEFILE version: 10 updated: 2017/01/21 11:06:25
+dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
dnl ------------
dnl Add checks for large file support.
AC_DEFUN([CF_LARGEFILE],[
# header files by themselves before looking at the body files it is
# told to compile. For ncurses, those header files do not include
# the config.h
- test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
- test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
- test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
+ if test "$ac_cv_sys_large_files" != no
+ then
+ CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
+ fi
+ if test "$ac_cv_sys_largefile_source" != no
+ then
+ CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
+ fi
+ if test "$ac_cv_sys_file_offset_bits" != no
+ then
+ CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
+ fi
AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
AC_TRY_COMPILE([
AC_SUBST(PKG_CONFIG)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
+dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13
dnl -----------------
dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
dnl
fi
CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
CFLAGS="$cf_trim_CFLAGS"
- CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
+ CPPFLAGS="$cf_trim_CPPFLAGS"
+ CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
CF_MSG_LOG(if the second compile does not leave our definition intact error)
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifndef _POSIX_C_SOURCE
test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SIZECHANGE version: 13 updated: 2018/06/08 21:57:23
+dnl CF_SIZECHANGE version: 14 updated: 2018/06/20 20:23:13
dnl -------------
dnl Check for definitions & structures needed for window size-changing
dnl
do
CPPFLAGS="$cf_save_CPPFLAGS"
- test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
+ if test -n "$cf_opts"
+ then
+ CF_APPEND_TEXT(CPPFLAGS,-D$cf_opts)
+ fi
AC_TRY_COMPILE([#include <sys/types.h>
#ifdef HAVE_TERMIOS_H
#include <termios.h>
AC_SUBST(top_builddir)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
+dnl CF_TRY_PKG_CONFIG version: 5 updated: 2013/07/06 21:27:06
+dnl -----------------
+dnl This is a simple wrapper to use for pkg-config, for libraries which may be
+dnl available in that form.
+dnl
+dnl $1 = package name
+dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
+dnl $3 = logic to use if pkg-config does not have the package
+AC_DEFUN([CF_TRY_PKG_CONFIG],[
+AC_REQUIRE([CF_PKG_CONFIG])
+
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
+ CF_VERBOSE(found package $1)
+ cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
+ cf_pkgconfig_libs="`$PKG_CONFIG --libs $1 2>/dev/null`"
+ CF_VERBOSE(package $1 CFLAGS: $cf_pkgconfig_incs)
+ CF_VERBOSE(package $1 LIBS: $cf_pkgconfig_libs)
+ CF_ADD_CFLAGS($cf_pkgconfig_incs)
+ CF_ADD_LIBS($cf_pkgconfig_libs)
+ ifelse([$2],,:,[$2])
+else
+ cf_pkgconfig_incs=
+ cf_pkgconfig_libs=
+ ifelse([$3],,:,[$3])
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
dnl -------------------
dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
dnl can define it successfully.
#endif],
[cf_cv_xopen_source=no],
[cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
AC_TRY_COMPILE([
#include <stdlib.h>
#include <string.h>
esac
AC_SUBST($3)dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_PCRE2 version: 2 updated: 2018/07/14 16:47:56
+dnl -------------
+dnl Add PCRE2 (Perl-compatible regular expressions v2) to the build if it is
+dnl available and the user requests it. Assume the application will otherwise
+dnl use the POSIX interface.
+dnl
+dnl TODO allow $withval to specify package location
+AC_DEFUN([CF_WITH_PCRE2],
+[
+AC_REQUIRE([CF_PKG_CONFIG])
+
+AC_MSG_CHECKING(if you want to use PCRE2 for regular-expressions)
+AC_ARG_WITH(pcre2,
+ [ --with-pcre2 use PCRE2 for regular-expressions])
+test -z "$with_pcre2" && with_pcre2=no
+AC_MSG_RESULT($with_pcre2)
+
+if test "x$with_pcre2" != xno ; then
+ CF_TRY_PKG_CONFIG(libpcre2,,[
+ CF_TRY_PKG_CONFIG(libpcre,,[
+ AC_MSG_ERROR(Cannot find PCRE2 library)])])
+
+ AC_DEFINE(HAVE_LIB_PCRE2,1,[Define to 1 if we can/should compile with the PCRE2 library])
+
+ # if pkgconfig gave no results, look for the libraries directly
+ case $LIBS in
+ (*pcre2-posix*|*pcreposix*)
+ ;;
+ (*)
+ AC_CHECK_LIB(pcre2-posix,regcomp,[
+ CF_ADD_LIB(pcre2-posix)],
+ [AC_CHECK_LIB(pcreposix,regcomp,[
+ CF_ADD_LIB(pcreposix)
+ ],[AC_MSG_ERROR(Cannot find PCRE2 POSIX library)])])
+ ;;
+ esac
+
+ # either way, check for the library header files
+ AC_CHECK_HEADERS(pcre2-posix.h pcreposix.h)
+fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
projects / ncurses.git / blobdiff