-
-dnl --------------------------------------------------------------
-dnl * Calculate absolute path to build tree
-dnl --------------------------------------------------------------
-
-AC_MSG_CHECKING(for path to top of build tree)
-
-hardtop=`pwd`
-
-dnl Remove common automounter nonsense
-dnl
-hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
-
-dnl Find 'hardtop_plat', the native format for 'hardtop'
-dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
-dnl
-dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
-dnl but we must not do that if we aren't building using Cygwin (notably msys),
-dnl because cygpath doesn't exist. It seems that 'bash' sets OSTYPE to 'cygwin'
-dnl or 'msys' respectively, but cygwin's 'sh' does not. So we hackily assume
-dnl that if the shell hasn't set it to 'msys' then we must be in Cygwin. Sigh.
-dnl
-dnl The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
-dnl about setting that correctly at the moment, so we just work around for now.
-dnl
-dnl The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
-dnl is not set.
-case $HostPlatform in
- i386-unknown-mingw32 | i386-unknown-cygwin32)
- if test "${OSTYPE}" != "msys"
- then
- # convert $hardtop to a path that mingw will understand too
- cyghardtop=${hardtop}
- hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
- hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
- else
- hardtop_plat=${hardtop}
- fi
- ;;
- *)
- hardtop_plat=${hardtop}
- ;;
-esac
-AC_SUBST(hardtop)
-AC_SUBST(hardtop_plat)
-
-AC_MSG_RESULT(${hardtop})
-
-# We don't support building in directories with spaces.
-case "$hardtop" in
- *' '*) AC_MSG_ERROR([
- The build system does not support building in a directory containing
- space characters. Suggestion: move the build tree somewhere else.])
- ;;
-esac