diff options
Diffstat (limited to 'config/acx.m4')
| -rw-r--r-- | config/acx.m4 | 175 |
1 files changed, 14 insertions, 161 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index 7c4c21386..c71f39b44 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -104,7 +104,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- #### # NCN_STRICT_CHECK_TOOLS(variable, progs-to-check-for,[value-if-not-found],[path]) -# Like plain AC_CHECK_TOOLS, but require prefix if build!=host. +# Like plain AC_CHECK_TOOLS, but require prefix if build!=target. AC_DEFUN([NCN_STRICT_CHECK_TOOLS], [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl @@ -135,32 +135,17 @@ fi AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOLS], [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl -if test -n "$with_build_time_tools"; then - for ncn_progname in $2; do - AC_MSG_CHECKING([for ${ncn_progname} in $with_build_time_tools]) - if test -x $with_build_time_tools/${ncn_progname}; then - ac_cv_prog_$1=$with_build_time_tools/${ncn_progname} - AC_MSG_RESULT(yes) - break - else - AC_MSG_RESULT(no) - fi - done -fi +for ncn_progname in $2; do + if test -n "$ncn_target_tool_prefix"; then + AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}${ncn_progname}], + [${ncn_target_tool_prefix}${ncn_progname}], , [$4]) + fi + if test -z "$ac_cv_prog_$1" && test $build = $target ; then + AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4]) + fi + test -n "$ac_cv_prog_$1" && break +done -if test -z "$ac_cv_prog_$1"; then - for ncn_progname in $2; do - if test -n "$ncn_target_tool_prefix"; then - AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}${ncn_progname}], - [${ncn_target_tool_prefix}${ncn_progname}], , [$4]) - fi - if test -z "$ac_cv_prog_$1" && test $build = $target ; then - AC_CHECK_PROG([$1], [${ncn_progname}], [${ncn_progname}], , [$4]) - fi - test -n "$ac_cv_prog_$1" && break - done -fi - if test -z "$ac_cv_prog_$1" ; then ifelse([$3],[], [set dummy $2 if test $build = $target ; then @@ -170,130 +155,6 @@ if test -z "$ac_cv_prog_$1" ; then fi], [$1="$3"]) fi ]) []dnl # NCN_STRICT_CHECK_TARGET_TOOLS - - -# Backported from Autoconf 2.5x; can go away when and if -# we switch. Put the OS path separator in $PATH_SEPARATOR. -AC_DEFUN([ACX_PATH_SEP], [ -# The user is always right. -if test "${PATH_SEPARATOR+set}" != set; then - echo "#! /bin/sh" >conf$$.sh - echo "exit 0" >>conf$$.sh - chmod +x conf$$.sh - if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then - PATH_SEPARATOR=';' - else - PATH_SEPARATOR=: - fi - rm -f conf$$.sh -fi -]) - - -AC_DEFUN([ACX_TOOL_DIRS], [ -AC_REQUIRE([ACX_PATH_SEP]) -if test "x$exec_prefix" = xNONE; then - if test "x$prefix" = xNONE; then - gcc_cv_tool_prefix=$ac_default_prefix - else - gcc_cv_tool_prefix=$prefix - fi -else - gcc_cv_tool_prefix=$exec_prefix -fi - -# If there is no compiler in the tree, use the PATH only. In any -# case, if there is no compiler in the tree nobody should use -# AS_FOR_TARGET and LD_FOR_TARGET. -if test x$host = x$build && test -f $srcdir/gcc/BASE-VER; then - gcc_version=`cat $srcdir/gcc/BASE-VER` - gcc_cv_tool_dirs="$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR" - gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical$PATH_SEPARATOR" - gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR" - gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical$PATH_SEPARATOR" - gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version$PATH_SEPARATOR" - gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin$PATH_SEPARATOR" -else - gcc_cv_tool_dirs= -fi - -if test x$build = x$target && test -n "$md_exec_prefix"; then - gcc_cv_tool_dirs="$gcc_cv_tool_dirs$md_exec_prefix$PATH_SEPARATOR" -fi - -]) []dnl # ACX_TOOL_DIRS - -# ACX_HAVE_GCC_FOR_TARGET -# Check if the variable GCC_FOR_TARGET really points to a GCC binary. -AC_DEFUN([ACX_HAVE_GCC_FOR_TARGET], [ -cat > conftest.c << \EOF -#ifdef __GNUC__ - gcc_yay; -#endif -EOF -if ($GCC_FOR_TARGET -E conftest.c | grep gcc_yay) > /dev/null 2>&1; then - have_gcc_for_target=yes -else - GCC_FOR_TARGET=${ncn_target_tool_prefix}gcc - have_gcc_for_target=no -fi -rm conftest.c -]) - -# ACX_CHECK_INSTALLED_TARGET_TOOL(VAR, PROG) -# Searching for installed target binutils. We need to take extra care, -# else we may find the wrong assembler, linker, etc., and lose. -# -# First try --with-build-time-tools, if specified. -# -# For build != host, we ask the installed GCC for the name of the tool it -# uses, and accept it if it is an absolute path. This is because the -# only good choice for a compiler is the same GCC version that is being -# installed (or we couldn't make target libraries), and we assume that -# on the host system we'll have not only the same GCC version, but also -# the same binutils version. -# -# For build == host, search the same directories that the installed -# compiler will search. We used to do this for the assembler, linker, -# and nm only; for simplicity of configuration, however, we extend this -# criterion to tools (such as ar and ranlib) that are never invoked by -# the compiler, to avoid mismatches. -# -# Also note we have to check MD_EXEC_PREFIX before checking the user's path -# if build == target. This makes the most sense only when bootstrapping, -# but we also do so when build != host. In this case, we hope that the -# build and host systems will have similar contents of MD_EXEC_PREFIX. -# -# If we do not find a suitable binary, then try the user's path. - -AC_DEFUN([ACX_CHECK_INSTALLED_TARGET_TOOL], [ -AC_REQUIRE([ACX_TOOL_DIRS]) -AC_REQUIRE([ACX_HAVE_GCC_FOR_TARGET]) -if test -z "$ac_cv_path_$1" ; then - if test -n "$with_build_time_tools"; then - AC_MSG_CHECKING([for $2 in $with_build_time_tools]) - if test -x $with_build_time_tools/$2; then - $1=`cd $with_build_time_tools && pwd`/$2 - ac_cv_path_$1=[$]$1 - AC_MSG_RESULT([$ac_cv_path_$1]) - else - AC_MSG_RESULT(no) - fi - elif test $build != $host && test $have_gcc_for_target = yes; then - $1=`$GCC_FOR_TARGET --print-prog-name=$2` - test [$]$1=$2 && $1= - ac_cv_path_$1=[$]$1 - fi -fi -if test -z "$ac_cv_path_$1" ; then - AC_PATH_PROG([$1], [$2], [], [$gcc_cv_tool_dirs]) -fi -if test -z "$ac_cv_path_$1" ; then - NCN_STRICT_CHECK_TARGET_TOOLS([$1], [$2]) -else - $1=$ac_cv_path_$1 -fi -]) []dnl # ACX_CHECK_INSTALLED_TARGET_TOOL ### # AC_PROG_CPP_WERROR @@ -439,13 +300,8 @@ dnl GCC_TARGET_TOOL(PROGRAM, TARGET-VAR, HOST-VAR, IN-TREE-TOOL, LANGUAGE) AC_DEFUN([GCC_TARGET_TOOL], [AC_MSG_CHECKING(where to find the target $1) if test "x${build}" != "x${host}" ; then - if expr "x[$]$2" : "x/" > /dev/null; then - # We already found the complete path - AC_MSG_RESULT(pre-installed in `dirname [$]$2`) - else - # Canadian cross, just use what we found - AC_MSG_RESULT(pre-installed) - fi + # Canadian cross, just use what we found + AC_MSG_RESULT(pre-installed) else ifelse([$4],,, [ok=yes @@ -462,10 +318,7 @@ else # An in-tree tool is available and we can use it $2='$$r/$(HOST_SUBDIR)/$4' AC_MSG_RESULT(just compiled) - el])if expr "x[$]$2" : "x/" > /dev/null; then - # We already found the complete path - AC_MSG_RESULT(pre-installed in `dirname [$]$2`) - elif test "x$target" = "x$host"; then + el])if test "x$target" = "x$host"; then # We can use an host tool $2='$($3)' AC_MSG_RESULT(host tool) |