newlib-cygwin/winsup/utils/aclocal.m4

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# generated automatically by aclocal 1.12.6 -*- Autoconf -*-
# Copyright (C) 1996-2012 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
dnl This provides configure definitions used by all the cygwin
dnl configure.in files.
AC_DEFUN([AC_WINDOWS_HEADERS],[
AC_ARG_WITH(
[windows-headers],
[AS_HELP_STRING([--with-windows-headers=DIR],
[specify where the windows includes are located])],
[test -z "$withval" && AC_MSG_ERROR([must specify value for --with-windows-headers])]
)
])
AC_DEFUN([AC_WINDOWS_LIBS],[
AC_ARG_WITH(
[windows-libs],
[AS_HELP_STRING([--with-windows-libs=DIR],
[specify where the windows libraries are located])],
[test -z "$withval" && AC_MSG_ERROR([must specify value for --with-windows-libs])]
)
windows_libdir=$(realdirpath "$with_windows_libs")
if test -z "$windows_libdir"; then
windows_libdir=$(realdirpath $(${ac_cv_prog_CC:-$CC} -xc /dev/null -Wl,--verbose=1 -lntdll 2>&1 | sed -rn 's%^.*\s(\S+)/libntdll\..*succeeded%\1%p'))
if test -z "$windows_libdir"; then
AC_MSG_ERROR([cannot find windows library files])
fi
fi
AC_SUBST(windows_libdir)
]
)
AC_DEFUN([AC_CYGWIN_INCLUDES], [
addto_CPPFLAGS -nostdinc
: ${ac_cv_prog_CXX:=$CXX}
: ${ac_cv_prog_CC:=$CC}
cygwin_headers=$(realdirpath "$winsup_srcdir/cygwin/include")
if test -z "$cygwin_headers"; then
AC_MSG_ERROR([cannot find $winsup_srcdir/cygwin/include directory])
fi
newlib_headers=$(realdirpath $winsup_srcdir/../newlib/libc/include)
if test -z "$newlib_headers"; then
AC_MSG_ERROR([cannot find newlib source directory: $winsup_srcdir/../newlib/libc/include])
fi
newlib_headers="$target_builddir/newlib/targ-include $newlib_headers"
if test -n "$with_windows_headers"; then
if test -e "$with_windows_headers/windef.h"; then
windows_headers="$with_windows_headers"
else
AC_MSG_ERROR([cannot find windef.h in specified --with-windows-headers path: $saw_windows_headers]);
fi
elif test -d "$winsup_srcdir/w32api/include/windef.h"; then
windows_headers="$winsup_srcdir/w32api/include"
else
windows_headers=$(cd $($ac_cv_prog_CC -xc /dev/null -E -include windef.h 2>/dev/null | sed -n 's%^# 1 "\([^"]*\)/windef\.h".*$%\1%p' | head -n1) 2>/dev/null && pwd)
if test -z "$windows_headers" -o ! -d "$windows_headers"; then
AC_MSG_ERROR([cannot find windows header files])
fi
fi
CC=$ac_cv_prog_CC
CXX=$ac_cv_prog_CXX
export CC
export CXX
AC_SUBST(windows_headers)
AC_SUBST(newlib_headers)
AC_SUBST(cygwin_headers)
])
AC_DEFUN([AC_CONFIGURE_ARGS], [
configure_args=X
for f in $ac_configure_args; do
case "$f" in
*--srcdir*) ;;
*) configure_args="$configure_args $f" ;;
esac
done
configure_args=$(/usr/bin/expr "$configure_args" : 'X \(.*\)')
AC_SUBST(configure_args)
])
AC_SUBST(target_builddir)
AC_SUBST(winsup_srcdir)