1.1 --- a/scripts/crosstool-NG.sh.in	Tue Nov 20 16:59:17 2012 -0800
     1.2 +++ b/scripts/crosstool-NG.sh.in	Thu Jan 10 00:27:13 2013 +0100
     1.3 @@ -423,8 +423,7 @@
     1.4                  where=$(CT_Which "${tool}")
     1.5              fi
     1.6  
     1.7 -            # Not all tools are available for all platforms, but some are really,
     1.8 -            # bally needed
     1.9 +            # Not all tools are available for all platforms, but some are required.
    1.10              if [ -n "${where}" ]; then
    1.11                  CT_DoLog DEBUG "  '${!v}-${tool}' -> '${where}'"
    1.12                  printf "#${BANG}${CT_CONFIG_SHELL}\nexec '${where}' \"\${@}\"\n" >"${CT_BUILDTOOLS_PREFIX_DIR}/bin/${!v}-${tool}"
    1.13 @@ -476,19 +475,6 @@
    1.14          *)  ;;
    1.15      esac
    1.16  
    1.17 -    # Now we know our host and where to find the host tools, we can check
    1.18 -    # if static link was requested, but only if it was requested
    1.19 -    if [ "${CT_WANTS_STATIC_LINK}" = "y" ]; then
    1.20 -        tmp="${CT_BUILD_DIR}/.static-test"
    1.21 -        if ! "${CT_HOST}-gcc" -xc - -static -o "${tmp}" >/dev/null 2>&1 <<-_EOF_
    1.22 -				int main() { return 0; }
    1.23 -			_EOF_
    1.24 -        then
    1.25 -            CT_Abort "Static linking impossible on the host system '${CT_HOST}'"
    1.26 -        fi
    1.27 -        rm -f "${tmp}"
    1.28 -    fi
    1.29 -
    1.30      # Help build gcc
    1.31      # Explicitly optimise, else the lines below will overide the
    1.32      # package's default optimisation flags
    1.33 @@ -505,6 +491,8 @@
    1.34      CT_CFLAGS_FOR_HOST+=" ${CT_EXTRA_CFLAGS_FOR_HOST}"
    1.35      CT_LDFLAGS_FOR_HOST=
    1.36      CT_LDFLAGS_FOR_HOST+=" ${CT_EXTRA_LDFLAGS_FOR_HOST}"
    1.37 +    CT_DoLog DEBUG "CFLAGS for host compiler: '${CT_CFLAGS_FOR_HOST}'"
    1.38 +    CT_DoLog DEBUG "LDFLAGS for host compiler: '${CT_LDFLAGS_FOR_HOST}'"
    1.39  
    1.40      # Set the shell to be used by ./configure scripts and by Makefiles (those
    1.41      # that support it!).
    1.42 @@ -522,6 +510,39 @@
    1.43      [ ${CT_PARALLEL_JOBS} -gt 0 ] && JOBSFLAGS="${JOBSFLAGS} -j${CT_PARALLEL_JOBS}"
    1.44      [ ${CT_LOAD} -ne 0 ] && JOBSFLAGS="${JOBSFLAGS} -l${CT_LOAD}"
    1.45  
    1.46 +    # Now that we've set up $PATH and $CT_CFLAGS_FOR_HOST, sanity test that gcc
    1.47 +    # is runnable so that the user can troubleshoot problems if not.
    1.48 +    CT_DoStep DEBUG "Checking that we can run gcc -v"
    1.49 +    CT_DoExecLog DEBUG "${CT_HOST}-gcc" -v
    1.50 +    CT_EndStep
    1.51 +
    1.52 +    # Create a simple C program for testing.
    1.53 +    testc="${CT_BUILD_DIR}/test.c"
    1.54 +    printf "int main() { return 0; }\n" >"${testc}"
    1.55 +    gccout="${CT_BUILD_DIR}/.gccout"
    1.56 +
    1.57 +    CT_DoStep DEBUG "Checking that gcc can compile a trivial program"
    1.58 +    CT_DoExecLog DEBUG "${CT_HOST}-gcc" ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST} "${testc}" -o "${gccout}"
    1.59 +    rm -f "${gccout}"
    1.60 +    CT_EndStep
    1.61 +
    1.62 +    if [ "${CT_WANTS_STATIC_LINK}" = "y" ]; then
    1.63 +        CT_DoStep DEBUG "Checking that gcc can compile a trivial statically linked program (CT_WANTS_STATIC_LINK)"
    1.64 +        CT_DoLog DEBUG "You may need to ensure that static libraries such as libc.a are installed on your system"
    1.65 +        CT_DoExecLog DEBUG "${CT_HOST}-gcc" ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST} "${testc}" -static -o "${gccout}"
    1.66 +        rm -f "${gccout}"
    1.67 +        CT_EndStep
    1.68 +    fi
    1.69 +
    1.70 +    if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
    1.71 +        CT_DoStep DEBUG "Checking that gcc can statically link libstdc++ (CT_CC_STATIC_LIBSTDCXX)"
    1.72 +        CT_DoLog DEBUG "You may need to ensure that libstdc++.a is installed on your system"
    1.73 +        CT_DoExecLog DEBUG "${CT_HOST}-gcc" ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST} "${testc}" -static -lstdc++ -o "${gccout}"
    1.74 +        rm -f "${gccout}"
    1.75 +        CT_EndStep
    1.76 +    fi
    1.77 +    rm -f "${testc}"
    1.78 +
    1.79      # We need to save the real .config with kconfig's value,
    1.80      # not our mangled .config.2 with arrays.
    1.81      CT_DoLog EXTRA "Installing user-supplied crosstool-NG configuration"