Avoid linking to libc++ in side modules

CHANGELOG.md

@@ -4,6 +4,14 @@ All notable changes to wasm-vips will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v0.0.7] - TBD
+
+Uses libvips v8.15.0, compiled with Emscripten v3.1.48.
+
+### Fixed
+
+- Avoid linking to libc++ in side modules (regression in 0.0.6).
+
 ## [v0.0.6] - 2023-11-11
 
 Uses libvips v8.15.0, compiled with Emscripten v3.1.48.
@@ -131,6 +139,7 @@ Uses libvips v8.10.0, compiled with Emscripten v2.0.0.
 
 - Initial release.
 
+[v0.0.7]: https://github.com/kleisauke/wasm-vips/compare/v0.0.6...v0.0.7
 [v0.0.6]: https://github.com/kleisauke/wasm-vips/compare/v0.0.5...v0.0.6
 [v0.0.5]: https://github.com/kleisauke/wasm-vips/compare/v0.0.4...v0.0.5
 [v0.0.4]: https://github.com/kleisauke/wasm-vips/compare/v0.0.3...v0.0.4

build.sh

@@ -462,8 +462,13 @@ node --version
     -DCMAKE_CXX_FLAGS="$CXXFLAGS -D__EMSCRIPTEN_STANDALONE_WASM__" \
     -DENABLE_MULTITHREADING_SUPPORT=FALSE # Disable threading support, we rely on libvips' thread pool.
   make -C _build install
-  # Ensure we don't link with libsharpyuv in the vips-heif side module
-  [ -z "$ENABLE_MODULES" ] || sed -i '/^Requires.private:/s/ libsharpyuv//' $TARGET/lib/pkgconfig/libheif.pc
+  if [ -n "$ENABLE_MODULES" ]; then
+    # Ensure we don't link with libsharpyuv in the vips-heif side module
+    sed -i '/^Requires.private:/s/ libsharpyuv//' $TARGET/lib/pkgconfig/libheif.pc
+    # ... and the same for -lc++, see:
+    # https://github.com/emscripten-core/emscripten/issues/16680#issuecomment-1558015445
+    sed -i '/^Libs.private:/s/-lc++//g' $TARGET/lib/pkgconfig/libheif.pc
+  fi
 )
 
 [ -f "$TARGET/lib/pkgconfig/vips.pc" ] || (