406 lines
16 KiB
Plaintext
406 lines
16 KiB
Plaintext
dnl ##
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dnl ## GNU Pth - The GNU Portable Threads
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dnl ## Copyright (c) 1999-2002 Ralf S. Engelschall <rse@engelschall.com>
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dnl ##
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dnl ## This file is part of GNU Pth, a non-preemptive thread scheduling
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dnl ## library which can be found at http://www.gnu.org/software/pth/.
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dnl ##
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dnl ## This library is free software; you can redistribute it and/or
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dnl ## modify it under the terms of the GNU Lesser General Public
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dnl ## License as published by the Free Software Foundation; either
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dnl ## version 2.1 of the License, or (at your option) any later version.
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dnl ##
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dnl ## This library is distributed in the hope that it will be useful,
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dnl ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl ## Lesser General Public License for more details.
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dnl ##
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dnl ## You should have received a copy of the GNU Lesser General Public
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dnl ## License along with this library; if not, write to the Free Software
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dnl ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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dnl ## USA, or contact Ralf S. Engelschall <rse@engelschall.com>.
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dnl ##
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dnl ## pth.m4: Autoconf macro for locating GNU Pth from within
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dnl ## configure.in of third-party software packages
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dnl ##
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dnl ##
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dnl ## Synopsis:
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dnl ## AC_CHECK_PTH([MIN-VERSION [, # minimum Pth version, e.g. 1.2.0
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dnl ## DEFAULT-WITH-PTH [, # default value for --with-pth option
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dnl ## DEFAULT-WITH-PTH-TEST [,# default value for --with-pth-test option
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dnl ## EXTEND-VARS [, # whether CFLAGS/LDFLAGS/etc are extended
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dnl ## ACTION-IF-FOUND [, # action to perform if Pth was found
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dnl ## ACTION-IF-NOT-FOUND # action to perform if Pth was not found
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dnl ## ]]]]]])
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dnl ## Examples:
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dnl ## AC_CHECK_PTH(1.2.0)
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dnl ## AC_CHECK_PTH(1.2.0,,,no,CFLAGS="$CFLAGS -DHAVE_PTH $PTH_CFLAGS")
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dnl ## AC_CHECK_PTH(1.2.0,yes,yes,yes,CFLAGS="$CFLAGS -DHAVE_PTH")
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dnl ##
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dnl
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dnl # auxilliary macros
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AC_DEFUN(_AC_PTH_ERROR, [dnl
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AC_MSG_RESULT([*FAILED*])
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dnl define(_ac_pth_line,dnl
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dnl "+------------------------------------------------------------------------+")
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dnl echo " _ac_pth_line" 1>&2
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cat <<EOT | sed -e 's/^[[ ]]*/ | /' -e 's/>>/ /' 1>&2
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$1
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EOT
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dnl echo " _ac_pth_line" 1>&2
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dnl undefine(_ac_pth_line)
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exit 1
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])
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AC_DEFUN(_AC_PTH_VERBOSE, [dnl
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if test ".$verbose" = .yes; then
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AC_MSG_RESULT([ $1])
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fi
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])
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dnl # the user macro
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AC_DEFUN(AC_CHECK_PTH, [dnl
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dnl
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dnl # prerequisites
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_PROG_CPP])dnl
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dnl
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PTH_CPPFLAGS=''
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PTH_CFLAGS=''
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PTH_LDFLAGS=''
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PTH_LIBS=''
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AC_SUBST(PTH_CPPFLAGS)
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AC_SUBST(PTH_CFLAGS)
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AC_SUBST(PTH_LDFLAGS)
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AC_SUBST(PTH_LIBS)
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dnl # command line options
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AC_MSG_CHECKING(for GNU Pth)
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_AC_PTH_VERBOSE([])
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AC_ARG_WITH(pth,dnl
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[ --with-pth[=ARG] Build with GNU Pth Library (default=]ifelse([$2],,yes,$2)[)],dnl
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,dnl
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with_pth="ifelse([$2],,yes,$2)"
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)dnl
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AC_ARG_WITH(pth-test,dnl
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[ --with-pth-test Perform GNU Pth Sanity Test (default=]ifelse([$3],,yes,$3)[)],dnl
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,dnl
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with_pth_test="ifelse([$3],,yes,$3)"
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)dnl
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_AC_PTH_VERBOSE([+ Command Line Options:])
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_AC_PTH_VERBOSE([ o --with-pth=$with_pth])
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_AC_PTH_VERBOSE([ o --with-pth-test=$with_pth_test])
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dnl
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dnl # configuration
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if test ".$with_pth" != .no; then
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_pth_subdir=no
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_pth_subdir_opts=''
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case "$with_pth" in
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subdir:* )
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_pth_subdir=yes
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changequote(, )dnl
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_pth_subdir_opts=`echo $with_pth | sed -e 's/^subdir:[^ ]*[ ]*//'`
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with_pth=`echo $with_pth | sed -e 's/^subdir:\([^ ]*\).*$/\1/'`
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changequote([, ])dnl
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;;
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esac
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_pth_version=""
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_pth_location=""
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_pth_type=""
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_pth_cppflags=""
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_pth_cflags=""
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_pth_ldflags=""
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_pth_libs=""
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if test ".$with_pth" = .yes; then
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# via config script in $PATH
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changequote(, )dnl
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_pth_version=`(pth-config --version) 2>/dev/null |\
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sed -e 's/^.*\([0-9]\.[0-9]*[ab.][0-9]*\).*$/\1/'`
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changequote([, ])dnl
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if test ".$_pth_version" != .; then
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_pth_location=`pth-config --prefix`
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_pth_type='installed'
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_pth_cppflags=`pth-config --cflags`
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_pth_cflags=`pth-config --cflags`
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_pth_ldflags=`pth-config --ldflags`
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_pth_libs=`pth-config --libs`
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fi
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elif test -d "$with_pth"; then
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with_pth=`echo $with_pth | sed -e 's;/*$;;'`
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_pth_found=no
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# via locally included source tree
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if test ".$_pth_subdir" = .yes; then
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_pth_location="$with_pth"
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_pth_type='local'
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_pth_cppflags="-I$with_pth"
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_pth_cflags="-I$with_pth"
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if test -f "$with_pth/ltconfig"; then
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_pth_ldflags="-L$with_pth/.libs"
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else
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_pth_ldflags="-L$with_pth"
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fi
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_pth_libs="-lpth"
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changequote(, )dnl
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_pth_version=`grep '^const char PTH_Hello' $with_pth/pth_vers.c |\
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sed -e 's;^.*Version[ ]*\([0-9]*\.[0-9]*[.ab][0-9]*\)[ ].*$;\1;'`
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changequote([, ])dnl
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_pth_found=yes
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ac_configure_args="$ac_configure_args --enable-subdir $_pth_subdir_opts"
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with_pth_test=no
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fi
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# via config script under a specified directory
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# (a standard installation, but not a source tree)
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if test ".$_pth_found" = .no; then
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for _dir in $with_pth/bin $with_pth; do
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if test -f "$_dir/pth-config"; then
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test -f "$_dir/pth-config.in" && continue # pth-config in source tree!
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changequote(, )dnl
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_pth_version=`($_dir/pth-config --version) 2>/dev/null |\
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sed -e 's/^.*\([0-9]\.[0-9]*[ab.][0-9]*\).*$/\1/'`
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changequote([, ])dnl
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if test ".$_pth_version" != .; then
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_pth_location=`$_dir/pth-config --prefix`
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_pth_type="installed"
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_pth_cppflags=`$_dir/pth-config --cflags`
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_pth_cflags=`$_dir/pth-config --cflags`
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_pth_ldflags=`$_dir/pth-config --ldflags`
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_pth_libs=`$_dir/pth-config --libs`
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_pth_found=yes
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break
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fi
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fi
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done
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fi
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# in any subarea under a specified directory
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# (either a special installation or a Pth source tree)
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if test ".$_pth_found" = .no; then
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changequote(, )dnl
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_pth_found=0
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for _file in x `find $with_pth -name "pth.h" -type f -print`; do
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test .$_file = .x && continue
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_dir=`echo $_file | sed -e 's;[^/]*$;;' -e 's;\(.\)/$;\1;'`
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_pth_version=`($_dir/pth-config --version) 2>/dev/null |\
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sed -e 's/^.*\([0-9]\.[0-9]*[ab.][0-9]*\).*$/\1/'`
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if test ".$_pth_version" = .; then
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_pth_version=`grep '^#define PTH_VERSION_STR' $_file |\
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sed -e 's;^#define[ ]*PTH_VERSION_STR[ ]*"\([0-9]*\.[0-9]*[.ab][0-9]*\)[ ].*$;\1;'`
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fi
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_pth_cppflags="-I$_dir"
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_pth_cflags="-I$_dir"
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_pth_found=`expr $_pth_found + 1`
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done
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for _file in x `find $with_pth -name "libpth.[aso]" -type f -print`; do
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test .$_file = .x && continue
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_dir=`echo $_file | sed -e 's;[^/]*$;;' -e 's;\(.\)/$;\1;'`
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_pth_ldflags="-L$_dir"
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_pth_libs="-lpth"
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_pth_found=`expr $_pth_found + 1`
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done
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changequote([, ])dnl
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if test ".$_pth_found" = .2; then
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_pth_location="$with_pth"
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_pth_type="uninstalled"
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else
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_pth_version=''
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fi
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fi
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fi
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_AC_PTH_VERBOSE([+ Determined Location:])
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_AC_PTH_VERBOSE([ o path: $_pth_location])
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_AC_PTH_VERBOSE([ o type: $_pth_type])
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if test ".$_pth_version" = .; then
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with_pth=no
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else
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dnl if test ".$with_pth" != .yes; then
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dnl _AC_PTH_ERROR([dnl
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dnl Unable to locate GNU Pth under $with_pth.
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dnl Please specify the correct path to either a GNU Pth installation tree
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dnl (use --with-pth=DIR if you used --prefix=DIR for installing GNU Pth in
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dnl the past) or to a GNU Pth source tree (use --with-pth=DIR if DIR is a
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dnl path to a pth-X.Y.Z/ directory; but make sure the package is already
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dnl built, i.e., the "configure; make" step was already performed there).])
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dnl else
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dnl _AC_PTH_ERROR([dnl
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dnl Unable to locate GNU Pth in any system-wide location (see \$PATH).
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dnl Please specify the correct path to either a GNU Pth installation tree
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dnl (use --with-pth=DIR if you used --prefix=DIR for installing GNU Pth in
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dnl the past) or to a GNU Pth source tree (use --with-pth=DIR if DIR is a
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dnl path to a pth-X.Y.Z/ directory; but make sure the package is already
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dnl built, i.e., the "configure; make" step was already performed there).])
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dnl fi
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dnl fi
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dnl #
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dnl # Check whether the found version is sufficiently new
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dnl #
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_req_version="ifelse([$1],,1.0.0,$1)"
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for _var in _pth_version _req_version; do
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eval "_val=\"\$${_var}\""
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_major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'`
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_minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'`
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_rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'`
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_micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'`
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case $_rtype in
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"a" ) _rtype=0 ;;
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"b" ) _rtype=1 ;;
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"." ) _rtype=2 ;;
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esac
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_hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \
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"major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"`
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eval "${_var}_hex=\"\$_hex\""
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done
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_AC_PTH_VERBOSE([+ Determined Versions:])
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_AC_PTH_VERBOSE([ o existing: $_pth_version -> 0x$_pth_version_hex])
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_AC_PTH_VERBOSE([ o required: $_req_version -> 0x$_req_version_hex])
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_ok=0
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if test ".$_pth_version_hex" != .; then
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if test ".$_req_version_hex" != .; then
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if test $_pth_version_hex -ge $_req_version_hex; then
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_ok=1
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fi
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fi
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fi
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if test ".$_ok" = .0; then
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_AC_PTH_ERROR([dnl
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Found Pth version $_pth_version, but required at least version $_req_version.
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Upgrade Pth under $_pth_location to $_req_version or higher first, please.])
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fi
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dnl #
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dnl # Perform Pth Sanity Compile Check
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dnl #
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if test ".$with_pth_test" = .yes; then
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_ac_save_CPPFLAGS="$CPPFLAGS"
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_ac_save_CFLAGS="$CFLAGS"
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_ac_save_LDFLAGS="$LDFLAGS"
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_ac_save_LIBS="$LIBS"
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CPPFLAGS="$CPPFLAGS $_pth_cppflags"
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CFLAGS="$CFLAGS $_pth_cflags"
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LDFLAGS="$LDFLAGS $_pth_ldflags"
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LIBS="$LIBS $_pth_libs"
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_AC_PTH_VERBOSE([+ Test Build Environment:])
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_AC_PTH_VERBOSE([ o CPPFLAGS=\"$CPPFLAGS\"])
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_AC_PTH_VERBOSE([ o CFLAGS=\"$CFLAGS\"])
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_AC_PTH_VERBOSE([ o LDFLAGS=\"$LDFLAGS\"])
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_AC_PTH_VERBOSE([ o LIBS=\"$LIBS\"])
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cross_compile=no
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define(_code1, [dnl
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#include <stdio.h>
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#include <pth.h>
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])
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define(_code2, [dnl
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int main(int argc, char *argv[])
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{
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FILE *fp;
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if (!(fp = fopen("conftestval", "w")))
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exit(1);
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fprintf(fp, "hmm");
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fclose(fp);
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pth_init();
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pth_kill();
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if (!(fp = fopen("conftestval", "w")))
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exit(1);
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fprintf(fp, "yes");
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fclose(fp);
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exit(0);
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}
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])
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_AC_PTH_VERBOSE([+ Performing Sanity Checks:])
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_AC_PTH_VERBOSE([ o pre-processor test])
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AC_TRY_CPP(_code1, _ok=yes, _ok=no)
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if test ".$_ok" != .yes; then
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_AC_PTH_ERROR([dnl
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Found GNU Pth $_pth_version under $_pth_location, but
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was unable to perform a sanity pre-processor check. This means
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the GNU Pth header pth.h was not found.
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We used the following build environment:
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>> CPP="$CPP"
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>> CPPFLAGS="$CPPFLAGS"
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See config.log for possibly more details.])
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fi
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_AC_PTH_VERBOSE([ o link check])
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AC_TRY_LINK(_code1, _code2, _ok=yes, _ok=no)
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if test ".$_ok" != .yes; then
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_AC_PTH_ERROR([dnl
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Found GNU Pth $_pth_version under $_pth_location, but
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was unable to perform a sanity linker check. This means
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the GNU Pth library libpth.a was not found.
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We used the following build environment:
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>> CC="$CC"
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>> CFLAGS="$CFLAGS"
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>> LDFLAGS="$LDFLAGS"
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>> LIBS="$LIBS"
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See config.log for possibly more details.])
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fi
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_AC_PTH_VERBOSE([ o run-time check])
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AC_TRY_RUN(_code1 _code2, _ok=`cat conftestval`, _ok=no, _ok=no)
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if test ".$_ok" != .yes; then
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if test ".$_ok" = .no; then
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_AC_PTH_ERROR([dnl
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Found GNU Pth $_pth_version under $_pth_location, but
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was unable to perform a sanity execution check. This usually
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means that the GNU Pth shared library libpth.so is present
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but \$LD_LIBRARY_PATH is incomplete to execute a Pth test.
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In this case either disable this test via --without-pth-test,
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or extend \$LD_LIBRARY_PATH, or build GNU Pth as a static
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library only via its --disable-shared Autoconf option.
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We used the following build environment:
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>> CC="$CC"
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>> CFLAGS="$CFLAGS"
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>> LDFLAGS="$LDFLAGS"
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>> LIBS="$LIBS"
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See config.log for possibly more details.])
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else
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_AC_PTH_ERROR([dnl
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Found GNU Pth $_pth_version under $_pth_location, but
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was unable to perform a sanity run-time check. This usually
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means that the GNU Pth library failed to work and possibly
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caused a core dump in the test program. In this case it
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is strongly recommended that you re-install GNU Pth and this
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time make sure that it really passes its "make test" procedure.
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We used the following build environment:
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>> CC="$CC"
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>> CFLAGS="$CFLAGS"
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>> LDFLAGS="$LDFLAGS"
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>> LIBS="$LIBS"
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See config.log for possibly more details.])
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fi
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fi
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_extendvars="ifelse([$4],,yes,$4)"
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if test ".$_extendvars" != .yes; then
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CPPFLAGS="$_ac_save_CPPFLAGS"
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CFLAGS="$_ac_save_CFLAGS"
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LDFLAGS="$_ac_save_LDFLAGS"
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LIBS="$_ac_save_LIBS"
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fi
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else
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_extendvars="ifelse([$4],,yes,$4)"
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if test ".$_extendvars" = .yes; then
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if test ".$_pth_subdir" = .yes; then
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CPPFLAGS="$CPPFLAGS $_pth_cppflags"
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CFLAGS="$CFLAGS $_pth_cflags"
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LDFLAGS="$LDFLAGS $_pth_ldflags"
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LIBS="$LIBS $_pth_libs"
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fi
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fi
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fi
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PTH_CPPFLAGS="$_pth_cppflags"
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PTH_CFLAGS="$_pth_cflags"
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PTH_LDFLAGS="$_pth_ldflags"
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PTH_LIBS="$_pth_libs"
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AC_SUBST(PTH_CPPFLAGS)
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AC_SUBST(PTH_CFLAGS)
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AC_SUBST(PTH_LDFLAGS)
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AC_SUBST(PTH_LIBS)
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_AC_PTH_VERBOSE([+ Final Results:])
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_AC_PTH_VERBOSE([ o PTH_CPPFLAGS=\"$PTH_CPPFLAGS\"])
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_AC_PTH_VERBOSE([ o PTH_CFLAGS=\"$PTH_CFLAGS\"])
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_AC_PTH_VERBOSE([ o PTH_LDFLAGS=\"$PTH_LDFLAGS\"])
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_AC_PTH_VERBOSE([ o PTH_LIBS=\"$PTH_LIBS\"])
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fi
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fi
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if test ".$with_pth" != .no; then
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AC_MSG_RESULT([version $_pth_version, $_pth_type under $_pth_location])
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ifelse([$5], , :, [$5])
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else
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AC_MSG_RESULT([no])
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ifelse([$6], , :, [$6])
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fi
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])
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