#!/bin/bash # # Install bcg729 (Belledonne G.729) into the MacPorts prefix so that # setup_pjsip.py picks it up automatically and enables the G.729 codec. # # bcg729 is NOT in MacPorts or Homebrew, so we build it from upstream. # # Fail-soft semantics: # - If anything goes wrong (no network, cmake missing, build error, # sudo declined, tag moved, etc.) we print a clear warning and # exit 0. The rest of the install (steps 03-05) then proceeds and # simply omits G.729 codec support — setup_pjsip.py logs # "bcg729 development headers not found; G.729 codec will be # disabled." and PJSIP is built without it. # # Re-running is safe: if bcg729 is already installed at the target # prefix, we skip the build entirely. # # Knobs (env vars): # BCG729_PREFIX install prefix (default: /opt/local) # BCG729_TAG git tag to build (default: 1.1.1) # BCG729_REPO git repo URL (default: github mirror) # set -u PREFIX="${BCG729_PREFIX:-/opt/local}" TAG="${BCG729_TAG:-1.1.1}" REPO="${BCG729_REPO:-https://github.com/BelledonneCommunications/bcg729.git}" WORK="${TMPDIR:-/tmp}/bcg729-build-$$" skip() { echo echo "WARNING: bcg729 install skipped — $*" echo " The SDK will be built without G.729 codec support." echo " Re-run this script after fixing the issue to add G.729 later." echo rm -rf "$WORK" 2>/dev/null || true exit 0 } fix_install_name() { # MacPorts convention: every dylib under /opt/local/lib must have its # install_name (LC_ID_DYLIB) set to its own absolute path. bcg729's CMake # build defaults to @rpath/libbcg729.0.dylib, which fails dlopen from any # consumer that doesn't carry an LC_RPATH for /opt/local/lib — and PJSIP # / sipsimple's _core.so don't add one. Patch each concrete dylib so it # advertises an absolute path; consumers linked against it from this # point forward record the absolute path and dlopen Just Works. # # On Apple Silicon any LC_ID_DYLIB edit invalidates the ad-hoc signature, # so we re-sign immediately afterwards. Errors here are fatal — leaving # the dylib half-fixed is worse than skipping the whole install. [ "$(uname -s)" = "Darwin" ] || return 0 command -v otool >/dev/null 2>&1 || skip "otool not found (install Xcode command line tools: xcode-select --install)" command -v install_name_tool >/dev/null 2>&1 || skip "install_name_tool not found (xcode-select --install)" command -v codesign >/dev/null 2>&1 || skip "codesign not found (xcode-select --install)" local dylib id fixed_any=0 for dylib in "$PREFIX"/lib/libbcg729*.dylib; do [ -f "$dylib" ] || continue [ -L "$dylib" ] && continue # skip symlinks; we'll patch the real file id=$(otool -D "$dylib" 2>/dev/null | tail -n 1 | xargs) case "$id" in "$dylib") # Already absolute and pointing at itself — nothing to do. ;; @rpath/*|@loader_path/*|@executable_path/*|"") echo " patching install_name on $dylib (was: ${id:-}) ..." sudo install_name_tool -id "$dylib" "$dylib" \ || skip "install_name_tool -id failed on $dylib" sudo codesign --force --sign - "$dylib" >/dev/null 2>&1 \ || skip "codesign --force --sign - failed on $dylib (Apple Silicon requires re-signing)" fixed_any=1 ;; /*) # Some other absolute path — leave it; the user/distributor # may have intentionally set it that way. ;; esac # Verify the fix took. local now now=$(otool -D "$dylib" 2>/dev/null | tail -n 1 | xargs) if [ "$now" != "$dylib" ] && [ "${now#/}" = "$now" ]; then # Still not absolute — give up loudly rather than pretending success. skip "install_name on $dylib is '$now' after patching; expected '$dylib'" fi done if [ "$fixed_any" = "1" ]; then echo " install_name normalised; any consumer linked against bcg729 from now on" echo " will record the absolute path (no LC_RPATH needed)." fi } # 0) Already installed? (probe the same files setup_pjsip.py probes) if [ -f "$PREFIX/include/bcg729/encoder.h" ] && \ { [ -f "$PREFIX/lib/libbcg729.dylib" ] || \ [ -f "$PREFIX/lib/libbcg729.a" ] || \ [ -f "$PREFIX/lib/libbcg729.so" ]; }; then echo "bcg729 already installed at $PREFIX." echo "Verifying dylib install_name (macOS only) ..." fix_install_name echo "bcg729 ready at $PREFIX — setup_pjsip.py will pick it up automatically." exit 0 fi # 1) Tooling command -v cmake >/dev/null 2>&1 || skip "cmake not found (sudo port install cmake)" command -v git >/dev/null 2>&1 || skip "git not found" command -v sudo >/dev/null 2>&1 || skip "sudo not found (install needs root for $PREFIX)" # 2) Fetch mkdir -p "$WORK" || skip "cannot create $WORK" cd "$WORK" || skip "cannot enter $WORK" echo "Cloning bcg729 $TAG from $REPO ..." if ! git clone --depth 1 --branch "$TAG" "$REPO" src 2>/dev/null; then echo "Tag $TAG not reachable; falling back to default branch ..." git clone --depth 1 "$REPO" src || skip "git clone of bcg729 failed (no network?)" fi # 3) Configure + build (shared lib; G.729 is a tiny codec, no test suite needed) cd src || skip "cloned src directory missing" JOBS="$(sysctl -n hw.ncpu 2>/dev/null || echo 2)" cmake -B build -S . \ -DCMAKE_INSTALL_PREFIX="$PREFIX" \ -DCMAKE_BUILD_TYPE=Release \ -DBUILD_SHARED_LIBS=ON \ -DENABLE_TESTS=NO \ -DCMAKE_INSTALL_NAME_DIR="$PREFIX/lib" \ -DCMAKE_MACOSX_RPATH=OFF \ >/dev/null || skip "cmake configure failed" cmake --build build -j"$JOBS" || skip "cmake build failed" # 4) Install (needs sudo for /opt/local — same pattern as 02-install-c-deps.sh) echo "Installing bcg729 to $PREFIX (sudo) ..." sudo cmake --install build || skip "sudo cmake --install failed" # 5) Verify the files setup_pjsip.py looks for actually landed if [ ! -f "$PREFIX/include/bcg729/encoder.h" ]; then skip "headers not found at $PREFIX/include/bcg729/ after install" fi if [ ! -f "$PREFIX/lib/libbcg729.dylib" ] && \ [ ! -f "$PREFIX/lib/libbcg729.a" ] && \ [ ! -f "$PREFIX/lib/libbcg729.so" ]; then skip "library not found at $PREFIX/lib/ after install" fi # Normalise install_name on macOS so PJSIP / _core.so can dlopen the lib # without an LC_RPATH (see fix_install_name above). No-op on non-Darwin. fix_install_name echo echo "bcg729 $TAG installed at $PREFIX." echo "setup_pjsip.py will auto-detect it and enable PJMEDIA_HAS_BCG729=1." echo rm -rf "$WORK" exit 0