dnl***************************************************************************
-dnl Copyright (c) 1998-2018,2019 Free Software Foundation, Inc. *
+dnl Copyright 2018-2019,2020 Thomas E. Dickey *
+dnl Copyright 1998-2017,2018 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
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.889 2019/12/31 13:58:42 tom Exp $
+dnl $Id: aclocal.m4,v 1.904 2020/03/20 00:46:13 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 https://invisible-island.net/autoconf/ for additional information.
+dnl See these pages for additional information:
+dnl https://invisible-island.net/autoconf/
+dnl https://invisible-island.net/autoconf/my-autoconf.html
dnl
dnl ---------------------------------------------------------------------------
dnl ---------------------------------------------------------------------------
-dnl AM_LANGINFO_CODESET version: 4 updated: 2015/04/18 08:56:57
+dnl AM_LANGINFO_CODESET version: 5 updated: 2020/03/10 18:53:47
dnl -------------------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
[
AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
[AC_TRY_LINK([#include <langinfo.h>],
- [char* cs = nl_langinfo(CODESET);],
+ [char* cs = nl_langinfo(CODESET); (void)cs],
am_cv_langinfo_codeset=yes,
am_cv_langinfo_codeset=no)
])
CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_ERRNO version: 12 updated: 2015/04/18 08:56:57
+dnl CF_CHECK_ERRNO version: 13 updated: 2020/03/10 18:53:47
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
#include <stdio.h>
#include <sys/types.h>
#include <errno.h> ],
- ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
+ ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1; (void)x,
[cf_cv_dcl_$1=yes],
[cf_cv_dcl_$1=no])
])
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 1 updated: 2019/04/08 17:50:29
+dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
dnl -----------------
dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
dnl character-strings.
dnl compiler that String is const.
AC_DEFUN([CF_CONST_X_STRING],
[
+AC_REQUIRE([AC_PATH_XTRA])
+
+CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
+
AC_TRY_COMPILE(
[
#include <stdlib.h>
#include <X11/Intrinsic.h>
],
-[String foo = malloc(1)],[
+[String foo = malloc(1); (void)foo],[
AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
AC_TRY_COMPILE(
])
])
+CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
+
case $cf_cv_const_x_string in
(no)
CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
fi
])
dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
+dnl -----------------------
+dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
+dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
+dnl an unconditional feature.
+AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
+
+AC_MSG_CHECKING(if you want broken-linker support code)
+AC_ARG_ENABLE(broken_linker,
+ [ --enable-broken_linker compile with broken-linker support code],
+ [with_broken_linker=$enableval],
+ [with_broken_linker=no])
+AC_MSG_RESULT($with_broken_linker)
+
+: ${BROKEN_LINKER:=0}
+if test "x$with_broken_linker" = xyes ; then
+ AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
+ BROKEN_LINKER=1
+fi
+AC_SUBST(BROKEN_LINKER)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39
dnl ------------------
dnl This is the "--enable-pc-files" option, which is available if there is a
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
+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
dnl compiler warnings. Though useful, not all are supported -- and contrary
extern void wow(char *,...) GCC_SCANFLIKE(1,2);
extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
extern void foo(void) GCC_NORETURN;
-int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
+int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
EOF
cf_printf_attribute=no
cf_scanf_attribute=no
CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 36 updated: 2019/09/07 13:38:36
+dnl CF_GCC_WARNINGS version: 37 updated: 2020/01/05 20:04:12
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:
dnl
dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
+dnl -Winline (usually not worthwhile)
dnl -Wredundant-decls (system headers make this too noisy)
dnl -Wtraditional (combines too many unrelated messages, only a few useful)
dnl -Wwrite-strings (too noisy, but should review occasionally). This
fi
done
CFLAGS="$cf_save_CFLAGS"
-elif test "$GCC" = yes
+elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
then
AC_CHECKING([for $CC warning options])
cf_save_CFLAGS="$CFLAGS"
Wpointer-arith \
Wshadow \
Wstrict-prototypes \
- Wundef $cf_gcc_warnings $cf_warn_CONST $1
+ Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
do
CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
if AC_TRY_EVAL(ac_compile); then
test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
+dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
dnl ------------
dnl Add checks for large file support.
AC_DEFUN([CF_LARGEFILE],[
struct dirent64 *x = readdir((DIR *)0);
struct dirent *y = readdir((DIR *)0);
int z = x - y;
+ (void)z;
],
[cf_cv_struct_dirent64=yes],
[cf_cv_struct_dirent64=no])
AC_SUBST(LIB_PREFIX)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 88 updated: 2018/08/18 12:19:21
+dnl CF_LIB_RULES version: 89 updated: 2020/03/07 20:05:14
dnl ------------
dnl Append definitions and rules for the given models to the subdirectory
dnl Makefiles, and the recursion rule for the top-level Makefile. If the
for cf_item in $cf_LIST_MODELS
do
CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
- cf_libname=$cf_dir
- test "$cf_dir" = c++ && cf_libname=ncurses++
+ if test "$cf_dir" = "c++"
+ then
+ CF_MAP_LIB_BASENAME(cf_libname,cxx)
+ else
+ CF_MAP_LIB_BASENAME(cf_libname,$cf_dir)
+ fi
+ test -z "$cf_libname" && cf_libname="$cf_dir"
if test $cf_item = shared ; then
if test -n "${LIB_SUFFIX}"
then
;;
esac
elif test $cf_dir = c++ ; then
- cf_libname=ncurses++$USE_LIB_SUFFIX
+ CF_MAP_LIB_BASENAME(cf_libname,cxx)
+ cf_libname=${cf_libname}$USE_LIB_SUFFIX
else
+ CF_MAP_LIB_BASENAME(cf_libname,$cf_dir)
cf_libname=${cf_libname}$USE_LIB_SUFFIX
fi
if test -n "${USE_ARG_SUFFIX}" ; then
test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
+dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
dnl ----------------
dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
dnl only data (i.e., no functions), for example NeXT. On those systems we'll
AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
BROKEN_LINKER=1
fi
+AC_SUBST(BROKEN_LINKER)
])dnl
dnl ---------------------------------------------------------------------------
CF_EOF
chmod 755 $cf_edit_man
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAP_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl -------------------
+dnl Convert a default-libname to the actual one used via CF_WITH_LIB_BASENAME.
+dnl
+dnl $1 = variable to set
+dnl $2 = default-libname
+AC_DEFUN([CF_MAP_LIB_BASENAME],[
+CF_UPPER(cf_map_lib_basename,$2)
+eval $1=\$${cf_map_lib_basename}_NAME
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_MATH_LIB version: 9 updated: 2017/01/21 11:06:25
test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_REGEX version: 12 updated: 2015/04/18 08:56:57
+dnl CF_REGEX version: 13 updated: 2020/03/10 18:53:47
dnl --------
dnl Attempt to determine if we've got one of the flavors of regular-expression
dnl code that we can support.
AC_TRY_LINK([#include <$cf_regex_hdr>],[
char *p = compile("", "", "", 0);
int x = step("", "");
+ (void)p;
+ (void)x;
],[
cf_cv_regex_hdrs=$cf_regex_hdr
break
do
AC_TRY_LINK([#include <sys/types.h>
#include <$cf_regex_hdr>],[
- regex_t *p;
+ regex_t *p = 0;
int x = regcomp(p, "", 0);
int y = regexec(p, "", 0, 0, 0);
+ (void)x;
+ (void)y;
regfree(p);
],[
cf_cv_regex_hdrs=$cf_regex_hdr
$1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
+dnl ---------------------
+dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
+dnl $1 = name of current macro
+define([CF_RESTORE_XTRA_FLAGS],
+[
+LIBS="$cf_save_LIBS_$1"
+CFLAGS="$cf_save_CFLAGS_$1"
+CPPFLAGS="$cf_save_CPPFLAGS_$1"
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
dnl -------------
AC_DEFUN([CF_RPATH_HACK],
AC_SUBST(EXTRA_LDFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35
+dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
+dnl ------------------
+dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
+dnl and libraries which do not update those variables.
+dnl
+dnl $1 = name of current macro
+define([CF_SAVE_XTRA_FLAGS],
+[
+cf_save_LIBS_$1="$LIBS"
+cf_save_CFLAGS_$1="$CFLAGS"
+cf_save_CPPFLAGS_$1="$CPPFLAGS"
+LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
+for cf_X_CFLAGS in $X_CFLAGS
+do
+ case "x$cf_X_CFLAGS" in
+ x-[[IUD]]*)
+ CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
+ ;;
+ *)
+ CFLAGS="$CFLAGS $cf_X_CFLAGS"
+ ;;
+ esac
+done
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SHARED_OPTS version: 94 updated: 2020/02/29 16:09:19
dnl --------------
dnl --------------
dnl Attempt to determine the appropriate CC/LD options for creating a shared
CF_SHARED_SONAME
MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
;;
+ (mingw*msvc*)
+ cf_cv_shlib_version=mingw
+ cf_cv_shlib_version_infix=mingw
+ shlibdir=$bindir
+ MAKE_DLLS=
+ if test "$DFT_LWR_MODEL" = "shared" ; then
+ LOCAL_LDFLAGS="-link -dll"
+ LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+ EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
+ fi
+ CC_SHARED_OPTS=
+ MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh $@ ${LD} ${CFLAGS}'
+ RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
+ cat >mk_shared_lib.sh <<-CF_EOF
+ #!$SHELL
+ SHARED_LIB=\$1
+ IMPORT_LIB=\`echo "\$1" | sed -e 's/[0-9]*\.dll$\.dll.a/'\`
+ shift
+ my_ld=\$1
+ shift
+ cat <<-EOF
+ Linking shared library
+ ** SHARED LIB \$SHARED_LIB
+ ** IMPORT_LIB \$IMPORT_LIB
+EOF
+ args=\$(echo \$* | sed -E "s#-l(\w*)#lib\1.a#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
+ exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
+ mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
+CF_EOF
+ chmod +x mk_shared_lib.sh
+ ;;
(mingw*)
cf_cv_shlib_version=mingw
cf_cv_shlib_version_infix=mingw
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_SIGWINCH version: 2 updated: 2019/03/23 19:54:44
+dnl CF_SIGWINCH version: 3 updated: 2020/03/10 18:53:47
dnl -----------
dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
dnl programs need this test).
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/signal.h>
-],[int x = SIGWINCH],
+],[int x = SIGWINCH; (void)x],
[cf_cv_define_sigwinch=yes],
[AC_TRY_COMPILE([
#undef _XOPEN_SOURCE
#undef _POSIX_C_SOURCE
#include <sys/types.h>
#include <sys/signal.h>
-],[int x = SIGWINCH],
+],[int x = SIGWINCH; (void)x],
[cf_cv_define_sigwinch=maybe],
[cf_cv_define_sigwinch=no])
])
#if SIGWINCH != $cf_sigwinch
make an error
#endif
-int x = SIGWINCH],
+int x = SIGWINCH; (void)x],
[cf_cv_fixup_sigwinch=$cf_sigwinch
break])
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
+dnl CF_SIG_ATOMIC_T version: 5 updated: 2020/03/10 18:53:47
dnl ---------------
-dnl signal handler, but there are some gcc depedencies in that recommendation.
+dnl signal handler, but there are some gcc dependencies in that recommendation.
dnl Try anyway.
AC_DEFUN([CF_SIG_ATOMIC_T],
[
$cf_type x;
static void handler(int sig)
{
+ (void)sig;
x = 5;
}],
[signal(SIGINT, handler);
test "$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: 14 updated: 2018/06/20 20:23:13
+dnl CF_SIZECHANGE version: 16 updated: 2020/03/19 20:46:13
dnl -------------
dnl Check for definitions & structures needed for window size-changing
dnl
],[
#ifdef TIOCGSIZE
struct ttysize win; /* SunOS 3.0... */
- int y = win.ts_lines;
- int x = win.ts_cols;
+ int y = win.ts_lines = 2;
+ int x = win.ts_cols = 1;
+ (void)y;
+ (void)x;
#else
#ifdef TIOCGWINSZ
struct winsize win; /* everything else */
- int y = win.ws_row;
- int x = win.ws_col;
+ int y = win.ws_row = 2;
+ int x = win.ws_col = 1;
+ (void)y;
+ (void)x;
#else
no TIOCGSIZE or TIOCGWINSZ
#endif /* TIOCGWINSZ */
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SRC_MODULES version: 31 updated: 2019/09/21 18:08:42
+dnl CF_SRC_MODULES version: 32 updated: 2020/03/07 20:05:14
dnl --------------
dnl For each parameter, test if the source-directory exists, and if it contains
dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll
CF_UPPER(cf_have_include,$cf_dir)
AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
- TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
- TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
+ CF_MAP_LIB_BASENAME(TEST_ROOT,$cf_dir)
+ TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${TEST_ROOT}${DFT_DEP_SUFFIX} $TEST_DEPS"
+ TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${TEST_ROOT}${DFT_DEP_SUFFIX} $TEST_DEP2"
if test "$DFT_LWR_MODEL" = "libtool"; then
TEST_ARGS="${TEST_DEPS}"
TEST_ARG2="${TEST_DEP2}"
else
- TEST_ARGS="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARGS"
- TEST_ARG2="-l${cf_dir}${USE_ARG_SUFFIX} $TEST_ARG2"
+ TEST_ARGS="-l${TEST_ROOT}${USE_ARG_SUFFIX} $TEST_ARGS"
+ TEST_ARG2="-l${TEST_ROOT}${USE_ARG_SUFFIX} $TEST_ARG2"
fi
PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${USE_ARG_SUFFIX}"
fi
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_STRUCT_TERMIOS version: 9 updated: 2018/06/08 21:57:23
+dnl CF_STRUCT_TERMIOS version: 11 updated: 2020/03/19 20:46:13
dnl -----------------
dnl Some machines require _POSIX_SOURCE to completely define struct termios.
AC_DEFUN([CF_STRUCT_TERMIOS],[
if test "$termios_bad" = maybe ; then
AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
AC_TRY_COMPILE([#include <termios.h>],
- [struct termios foo; int x = foo.c_iflag],
+ [struct termios foo; int x = foo.c_iflag = 1; (void)x],
termios_bad=no, [
AC_TRY_COMPILE([
#define _POSIX_SOURCE
#include <termios.h>],
- [struct termios foo; int x = foo.c_iflag],
+ [struct termios foo; int x = foo.c_iflag = 2; (void)x],
termios_bad=unknown,
termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE]))
])
AC_SUBST(LIBTOOL_OPTS)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl --------------------
+dnl Allow for overriding the basename of a library, i.e., the part to which
+dnl prefixes/suffixes are attached.
+dnl
+dnl $1 = variable to set
+dnl $2 = option name
+dnl $3 = default basename for library, if omitted use $2
+AC_DEFUN([CF_WITH_LIB_BASENAME],
+[
+AC_MSG_CHECKING(for desired basename for $2 library)
+AC_ARG_WITH($2-libname,
+ [ --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library],
+ [with_lib_basename=$withval],
+ [with_lib_basename=ifelse($3,,$2,$3)])
+$1="$with_lib_basename"
+
+case "x[$]$1" in
+(x|xno|xnone|xyes)
+ $1=ifelse($3,,$2,$3)
+ ;;
+(*)
+ ;;
+esac
+
+AC_MSG_RESULT([$]$1)
+AC_SUBST($1)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
dnl ------------------
dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
])
])
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PCRE2 version: 2 updated: 2018/07/14 16:47:56
+dnl CF_WITH_PCRE2 version: 3 updated: 2020/02/29 16:09:19
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
esac
# either way, check for the library header files
- AC_CHECK_HEADERS(pcre2-posix.h pcreposix.h)
+ AC_CHECK_HEADERS(pcre2posix.h pcreposix.h)
fi
])dnl
dnl ---------------------------------------------------------------------------