Daniel Jacobowitz - Toplevel PR 30753 (original) (raw)

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Toplevel PR 30753 - Fix non-native builds

• From: Daniel Jacobowitz
• To: gcc-patches at gcc dot gnu dot org
• Date: Mon, 12 Feb 2007 10:59:50 -0500
• Subject: Toplevel PR 30753 - Fix non-native builds

This should fix Dave Anglin's build failure, with just "--host=hppa-linux". It also fixes my x86_64->mingw32->arm builds. I'm confused, since I tested exactly that configuration, but I must have messed up and tested something different instead.

Also, the ACX_TOOL_DIRS change prevents --with-headers from copying files to NONE/${target}/sys-include if you don't specify --prefix. Of course, if you don't specify a prefix the odds are good that it'll pick /usr/local and you won't be able to write to there, so things go wrong anyway. But that was the status quo for autoconf 2.13 too.

OK?

-- Daniel Jacobowitz CodeSourcery

2007-02-12 Daniel Jacobowitz dan@codesourcery.com Paolo Bonzini bonzini@gnu.org

PR bootstrap/30753
* configure.ac: Remove obsolete build / host tests.  Use AC_PROG_CC
unconditionally.  Use AC_PROG_CXX.  Use ACX_TOOL_DIRS to find $prefix.
* configure: Regenerated.

Index: configure.ac

--- configure.ac (revision 121846) +++ configure.ac (working copy) @@ -1030,51 +1030,32 @@ if test -z "${CC}" && test "${build}" = fi if test "${build}" != "${host}" ; then - # If we are doing a Canadian Cross, in which the host and build systems - # are not the same, we set reasonable default values for the tools.

• CC=${CC-${host_noncanonical}-gcc}

• CFLAGS=${CFLAGS-"-g -O2"}

• CXX=${CXX-${host_noncanonical}-c++}

• CXXFLAGS=${CXXFLAGS-"-g -O2"} CC_FOR_BUILD=${CC_FOR_BUILD-gcc}

• else

• Set reasonable default values for some tools even if not Canadian.

• Of course, these are different reasonable default values, originally

• specified directly in the Makefile.

• We don't export, so that autoconf can do its job.

• Note that all these settings are above the fragment inclusion point

• in Makefile.in, so can still be overridden by fragments.

• This is all going to change when we autoconfiscate...

• CC_FOR_BUILD="$(CC)"

• AC_PROG_CC +fi

• We must set the default linker to the linker used by gcc for the correct

• operation of libtool. If LD is not defined and we are using gcc, try to

• set the LD default to the ld used by gcc.

• if test -z "$LD"; then

• if test "$GCC" = yes; then

•  case $build in

•  *-*-mingw*)

• gcc_prog_ld=$CC -print-prog-name=ld 2>&1 | tr -d '\015' ;;

•  *)

• gcc_prog_ld=$CC -print-prog-name=ld 2>&1 ;;

•  esac

•  case $gcc_prog_ld in

•  # Accept absolute paths.

•  [[\\/]* | [A-Za-z]:[\\/]*)]

•    LD="$gcc_prog_ld" ;;

•  esac

• fi

+# We must set the default linker to the linker used by gcc for the correct +# operation of libtool. If LD is not defined and we are using gcc, try to +# set the LD default to the ld used by gcc. +if test -z "$LD"; then + if test "$GCC" = yes; then + case $build in + --mingw*) + gcc_prog_ld=$CC -print-prog-name=ld 2>&1 | tr -d '\015' ;; + ) + gcc_prog_ld=$CC -print-prog-name=ld 2>&1 ;; + esac + case $gcc_prog_ld in + # Accept absolute paths. + [[\/] | [A-Za-z]:[\/]*)] + LD="$gcc_prog_ld" ;; + esac fi

• CXX=${CXX-"c++"}
• CFLAGS=${CFLAGS-"-g"}
• CXXFLAGS=${CXXFLAGS-"-g -O2"} fi

+AC_PROG_CC +AC_PROG_CXX ACX_PROG_GNAT ACX_PROG_CMP_IGNORE_INITIAL

@@ -1578,6 +1559,9 @@ case "$host" in enable_gdbtk=no ;; esac

+# To find our prefix, in gcc_cv_tool_prefix. +ACX_TOOL_DIRS + copy_dirs=

AC_ARG_WITH([build-sysroot], @@ -1597,10 +1581,7 @@ if test x"${with_headers}" != x && test exit 1 fi if test x"${with_headers}" != xyes ; then

• case "${exec_prefixoption}" in
• "") x=${prefix} ;;
• *) x=${exec_prefix} ;;
• esac

• x=${gcc_cv_tool_prefix} copy_dirs="${copy_dirs} withheaders{with_headers} withh​eadersx/${target_noncanonical}/sys-include" fi fi @@ -1616,10 +1597,7 @@ if test x"${with_libs}" != x && test x"$ if test x"${with_libs}" != xyes ; then

  Copy the libraries in reverse order, so that files in the first named

  library override files in subsequent libraries.

• case "${exec_prefixoption}" in
• "") x=${prefix} ;;
• *) x=${exec_prefix} ;;
• esac

• x=${gcc_cv_tool_prefix} for l in ${with_libs}; do copy_dirs="$l x/x/x/{target_noncanonical}/lib ${copy_dirs}" done

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  • Re: Toplevel PR 30753 - Fix non-native builds
    * From: Paolo Bonzini