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Diffstat (limited to '')
| -rw-r--r-- | m4/gnupg-pth.m4 | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/m4/gnupg-pth.m4 b/m4/gnupg-pth.m4 new file mode 100644 index 0000000..6dc9e0e --- /dev/null +++ b/m4/gnupg-pth.m4 @@ -0,0 +1,105 @@ +dnl GnuPG's check for Pth. +dnl Copyright (C) 2003 Free Software Foundation, Inc. +dnl +dnl This file is free software; as a special exception the author gives +dnl unlimited permission to copy and/or distribute it, with or without +dnl modifications, as long as this notice is preserved. +dnl +dnl This file is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the +dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + +# GNUPG_PTH_VERSION_CHECK(REQUIRED) +# +# If the version is sufficient, HAVE_PTH will be set to yes. +# +# Taken and modified from the m4 macros which come with Pth. +AC_DEFUN([GNUPG_PTH_VERSION_CHECK], + [ + _pth_version=`$PTH_CONFIG --version | awk 'NR==1 {print [$]3}'` + _req_version="ifelse([$1],,1.2.0,$1)" + + AC_MSG_CHECKING(for PTH - version >= $_req_version) + for _var in _pth_version _req_version; do + eval "_val=\"\$${_var}\"" + _major=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\1/'` + _minor=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\2/'` + _rtype=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\3/'` + _micro=`echo $_val | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\([[ab.]]\)\([[0-9]]*\)/\4/'` + case $_rtype in + "a" ) _rtype=0 ;; + "b" ) _rtype=1 ;; + "." ) _rtype=2 ;; + esac + _hex=`echo dummy | awk '{ printf("%d%02d%1d%02d", major, minor, rtype, micro); }' \ + "major=$_major" "minor=$_minor" "rtype=$_rtype" "micro=$_micro"` + eval "${_var}_hex=\"\$_hex\"" + done + have_pth=no + if test ".$_pth_version_hex" != .; then + if test ".$_req_version_hex" != .; then + if test $_pth_version_hex -ge $_req_version_hex; then + have_pth=yes + fi + fi + fi + if test $have_pth = yes; then + AC_MSG_RESULT(yes) + AC_MSG_CHECKING([whether PTH installation is sane]) + AC_CACHE_VAL(gnupg_cv_pth_is_sane,[ + _gnupg_pth_save_cflags=$CFLAGS + _gnupg_pth_save_ldflags=$LDFLAGS + _gnupg_pth_save_libs=$LIBS + CFLAGS="$CFLAGS `$PTH_CONFIG --cflags`" + LDFLAGS="$LDFLAGS `$PTH_CONFIG --ldflags`" + LIBS="$LIBS `$PTH_CONFIG --libs --all`" + AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pth.h> + ], + [[ pth_init ();]])], + gnupg_cv_pth_is_sane=yes, + gnupg_cv_pth_is_sane=no) + CFLAGS=$_gnupg_pth_save_cflags + LDFLAGS=$_gnupg_pth_save_ldflags + LIBS=$_gnupg_pth_save_libs + ]) + if test $gnupg_cv_pth_is_sane != yes; then + have_pth=no + fi + AC_MSG_RESULT($gnupg_cv_pth_is_sane) + else + AC_MSG_RESULT(no) + fi + ]) + + + +# GNUPG_PATH_PTH([MINIMUM_VERSION]) +# +# On return $have_pth is set as well as HAVE_PTH is defined and +# PTH_CLFAGS and PTH_LIBS are AS_SUBST. +# +AC_DEFUN([GNUPG_PATH_PTH], +[ AC_ARG_WITH(pth-prefix, + AC_HELP_STRING([--with-pth-prefix=PFX], + [prefix where GNU Pth is installed (optional)]), + pth_config_prefix="$withval", pth_config_prefix="") + if test x$pth_config_prefix != x ; then + PTH_CONFIG="$pth_config_prefix/bin/pth-config" + fi + AC_PATH_PROG(PTH_CONFIG, pth-config, no) + tmp=ifelse([$1], ,1.3.7,$1) + if test "$PTH_CONFIG" != "no"; then + GNUPG_PTH_VERSION_CHECK($tmp) + if test $have_pth = yes; then + PTH_CFLAGS=`$PTH_CONFIG --cflags` + PTH_LIBS=`$PTH_CONFIG --ldflags` + PTH_LIBS="$PTH_LIBS `$PTH_CONFIG --libs --all`" + AC_DEFINE(HAVE_PTH, 1, + [Defined if the GNU Pth is available]) + fi + fi + AC_SUBST(PTH_CFLAGS) + AC_SUBST(PTH_LIBS) +]) + |