diff options
| -rwxr-xr-x | util/crossgcc/buildgcc | 122 |
1 files changed, 88 insertions, 34 deletions
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc index 4d269d3f38..d04fe5f872 100755 --- a/util/crossgcc/buildgcc +++ b/util/crossgcc/buildgcc @@ -143,6 +143,43 @@ normalize_dirs() perl -pi -e "s,/lib64,/lib," $DESTDIR$TARGETDIR/lib/*.la } +countdown() +{ + tout=${1:-10} + + printf "\nPress Ctrl-C to abort, Enter to continue... %2ds" $tout + while [ $tout -gt 0 ]; do + sleep 1 + tout=$((tout - 1)) + printf "\b\b\b%2ds" $tout + done + printf "\n" +} + +timeout() +{ + tout=${1:-10} + + # Ignore SIGUSR1, should interrupt `read` though. + trap false USR1 + # Clean up in case the user aborts. + trap 'kill $counter > /dev/null 2>&1' EXIT + + (countdown $tout; kill -USR1 $$)& + counter=$! + + # Some shells with sh compatibility mode (e.g. zsh, mksh) only + # let us interrupt `read` if a non-standard -t parameter is given. + if echo | read -t 1 foo 2>/dev/null; then + read -t $((tout + 1)) foo + else + read foo + fi + + kill $counter > /dev/null 2>&1 + trap - USR1 EXIT +} + please_install() { HALT_FOR_TOOLS=1 @@ -258,37 +295,13 @@ hostcc_has_gnat1() { [ -x "$(${CC} -print-prog-name=gnat1)" ] } -ada_requested() { - echo "${LANGUAGES}" | grep -q '\<ada\>' -} - -check_gnat() { - if hostcc_has_gnat1; then - if [ \( "$(hostcc_major)" -lt 4 -o \ - \( "$(hostcc_major)" -eq 4 -a "$(hostcc_minor)" -lt 9 \) \) -a \ - "${BOOTSTRAP}" != "1" ]; - then - printf "\n${RED}ERROR:${red} Building the Ada compiler (gnat $(buildcc_version)) " - printf "with a host compiler older\n than 4.9.x (yours $(hostcc_version)) " - printf "requires bootstrapping (-b).${NC}\n\n" - HALT_FOR_TOOLS=1 - fi - else - please_install gnat - fi +have_gnat() { + hostcc_has_gnat1 && \ + searchtool gnatbind "Free Software Foundation" nofail > /dev/null } -check_cc() { - if is_package_enabled "GCC"; then - if [ "$(hostcc_major)" != "$(buildcc_major)" -a "${BOOTSTRAP}" != "1" ]; then - printf "\n${red}warning: Building GCC $(buildcc_version) with a different major " - printf "version ($(hostcc_version)).\n" - printf " Bootstrapping (-b) is recommended.${NC}\n\n" - fi - if ada_requested; then - check_gnat - fi - fi +ada_requested() { + echo "${LANGUAGES}" | grep -q '\<ada\>' } check_sum() { @@ -1040,17 +1053,58 @@ elif [ $UNAME = "NetBSD" ]; then fi fi if [ -z "${LANGUAGES}" ]; then - if hostcc_has_gnat1 && \ - [ "$(hostcc_major)" -ge 5 -o \ - \( "$(hostcc_major)" -eq 4 -a "$(hostcc_minor)" -ge 9 \) -o \ - "${BOOTSTRAP}" = "1" ]; - then + if have_gnat; then printf "\nFound compatible Ada compiler, enabling Ada support by default.\n\n" LANGUAGES="ada,${DEFAULT_LANGUAGES}" else + printf "\n${red}WARNING${NC}\n" + printf "No compatible Ada compiler (GNAT) found. You can continue without\n" + printf "Ada support, but this will limit the features of ${blue}coreboot${NC} (e.g.\n" + printf "native graphics initialization won't be available on most Intel\n" + printf "boards).\n\n" + + printf "Usually, you can install GNAT with your package management system\n" + printf "(the package is called \`gnat\` or \`gcc-ada\`). It has to match the\n" + printf "\`gcc\` package in version. If there are multiple versions of GCC in-\n" + printf "stalled, you can point this script to the matching version through\n" + printf "the \`CC\` and \`CXX\` environment variables.\n\n" + + printf "e.g. on Ubuntu 14.04, if \`gcc\` is \`gcc-4.8\`:\n" + printf " apt-get install gnat-4.8 && make crossgcc\n\n" + + printf "on Ubuntu 16.04, if \`gcc\` is \`gcc-5\`:\n" + printf " apt-get install gnat-5 && make crossgcc\n" + timeout 30 LANGUAGES="${DEFAULT_LANGUAGES}" fi fi +if ada_requested; then + if have_gnat; then + if [ "$BOOTSTRAP" != 1 -a \ + \( "$(hostcc_major)" -lt 4 -o \ + \( "$(hostcc_major)" -eq 4 -a "$(hostcc_minor)" -lt 9 \) \) ] + then + printf "\n${red}WARNING${NC}\n" + printf "Building the Ada compiler (GNAT $(buildcc_version)) with a host compiler older\n" + printf "than 4.9.x (yours $(hostcc_version)) requires bootstrapping. This will take\n" + printf "significantly longer than a usual build. You can abort and update\n" + printf "your host GNAT or disable Ada support with BUILD_LANGUAGES=c (or\n" + printf "\`-l c\` in case you invoke \`buildgcc\` directly).\n" + timeout 15 + BOOTSTRAP=1 + fi + else + please_install gnat gcc-ada + exit 1 + fi +else + if [ "$(hostcc_major)" -lt 4 -a "$BOOTSTRAP" != 1 ]; then + printf "\n${red}WARNING${NC}\n" + printf "Building GCC $(buildcc_version) with a very old host compiler ($(hostcc_version)).\n" + printf "Bootstrapping (-b) is recommended.\n" + timeout 10 + fi +fi fi # GCC export HOSTCFLAGS="-Os" |