CI/macos: enable libmapper debug flags

Author: malloch

.github/workflows/ci.yml

@@ -227,7 +227,7 @@ jobs:
           CFLAGS="$COMMON -arch arm64" \
           CXXFLAGS="$COMMON -arch arm64" \
           LDFLAGS="$COMMON -arch arm64 $LDCOMMON" \
-          --enable-static \
+          --enable-static --enable-debug \
           --disable-audio --disable-docs --disable-java --disable-csharp \
           --prefix=$PWD/inst \
           PKG_CONFIG_PATH=$PWD/liblo/inst/lib/pkgconfig
@@ -243,7 +243,7 @@ jobs:
           CFLAGS="$COMMON -arch x86_64" \
           CXXFLAGS="$COMMON -arch x86_64" \
           LDFLAGS="$COMMON -arch x86_64 $LDCOMMON" \
-          --enable-static \
+          --enable-static --enable-debug \
           --disable-audio --disable-docs --disable-java --disable-csharp \
           --prefix=$PWD/inst \
           PKG_CONFIG_PATH=$PWD/liblo/inst/lib/pkgconfig