| #!/bin/bash |
| |
| # |
| # This file applies optional libtool patches mainly for better MSys2 compatibility, |
| # especially for MSys2/Clang{64,32} toolchains. |
| # It's a pity that these patches haven't been sent upstream. |
| # |
| # Based on Debian SID baseline files as of April 2023. |
| # |
| |
| patchesdir=$(dirname $BASH_SOURCE) || exit 2 |
| test -n "$patchesdir" || exit 2 |
| cd "$patchesdir" || exit 2 |
| patchesdir=$(pwd) || exit 2 |
| |
| patches=( |
| 0003-Pass-various-runtime-library-flags-to-GCC.mingw.mod.patch |
| 0006-Fix-strict-ansi-vs-posix.patch |
| 0009-libtool-2.4.2.418-msysize.patch |
| 0010-libtool-2.4.2-include-process-h.patch |
| 0011-Pick-up-clang_rt-static-archives-compiler-internal-l.patch |
| 0012-Prefer-response-files-over-linker-scripts-for-mingw-.patch |
| 0013-Allow-statically-linking-compiler-support-libraries-.patch |
| 0014-Support-llvm-objdump-f-output.patch |
| ) |
| |
| failed=( ) |
| |
| cd "${patchesdir}/../.." || exit 1 |
| |
| patch_params="-Nf -p1 --no-backup-if-mismatch -r - --read-only=fail" |
| |
| for patch in ${patches[@]}; do |
| patchfile="${patchesdir}/${patch}" |
| # Load patch into memory for simplicity |
| # Patches should not be very large |
| if grep -Eq -e '^--- .*\/ltmain\.in(\.orig)?([[:space:]]|$)' "$patchfile" && grep -Eq -e '^--- .*\/ltmain\.sh(\.orig)?([[:space:]]|$)' "$patchfile" |
| then |
| patch_data=$(awk '/^diff .*\/ltmain\.in(\.orig)?$/||(/^--- / && $2 ~ /\/ltmain\.in(\.orig)?$/){h=1;s=1;next}/^-- ?$/{h=0;s=0}/^[^-+@ ]/{h||s=0}/^\+\+\+ /{h=0}!s' "$patchfile") || exit 2 |
| else |
| patch_data=$(cat "$patchfile") || exit 2 |
| fi |
| patch_data=$(echo "$patch_data" | sed -E -e '/^(diff|---|\+\+\+) / s|/ltmain\.in|/ltmain.sh|g' -) || exit 2 |
| patch_data=$(echo "$patch_data" | awk '(/^diff / && !/.*\/(ltmain\.sh|config\.guess|libtool\.m4|ltoptions\.m4)$/)||(/^--- / && $2 !~ /\/(ltmain\.sh|config\.guess|libtool\.m4|ltoptions\.m4)(\.orig)?$/){h=1;s=1;next}/^-- ?$/{h=0;s=0}/^[^-+@ ]/{h||s=0}/^\+\+\+ /{h=0}!s' -) || exit 2 |
| echo "*** Applying $patch..." |
| if echo "$patch_data" | patch $patch_params -i - |
| then |
| echo "** $patch successfully applied." |
| else |
| echo "** $patch failed." |
| failed+=("$patch") |
| fi |
| unset patch_data |
| done |
| |
| echo '' |
| |
| if [[ -n "${failed[@]}" ]]; then |
| printf '* Failed patch: %s\n' "${failed[@]}" >&2 |
| exit 2 |
| else |
| echo "* All patches have been successfully applied." |
| fi |
| |
| exit 0 |