more fixes in build and breakout zencode-exec target

for python, rust and golang only the zencode-exec binary is needed

.github/workflows/main.yml

@@ -190,7 +190,7 @@ jobs:
           pip3 install meson ninja
           sudo apt-get install -qy zsh libreadline-dev
       - run: |
-          make -f build/linux.mk CCACHE=1
+          make -f build/linux.mk deps zencode-exec CCACHE=1
           cp zencode-exec /usr/local/bin/
       - name: 🧪 test bindings go-${{ matrix.go }}
         working-directory: bindings/golang/zenroom
@@ -309,16 +309,27 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-      - run: |
+      - name: Install dependencies on Linux
+        run: |
           sudo apt update
           sudo apt install -yq zsh cmake libreadline-dev
         if: runner.os == 'Linux'
-      - run: brew install zsh
+      - name: Install dependencies on Apple/OSX
+        run: |
+          brew install zsh
         if: runner.os == 'macOS'
-      - run: |
+      - name: Build zencode-exec on Linux
+        run: |
           cd ../..
-          make -f build/linux.mk COMPILER=clang
+          make -f build/linux.mk deps zencode-exec
           cp zencode-exec /usr/local/bin/
+        if: runner.os == 'Linux'
+      - name: Build zencode-exec on Apple/OSX
+        run: |
+          cd ../..
+          make -f build/apple-osx.mk deps zencode-exec.command
+          cp zencode-exec.command /usr/local/bin/zencode-exec
+        if: runner.os == 'macOS'
       - run: |
           ./prepare.sh
           pipx install meson

build/apple-osx.mk

@@ -10,7 +10,9 @@ endif
 # activate CCACHE etc.
 include build/plugins.mk
 
-all: ${BUILD_DEPS} zenroom.command zencode-exec.command
+all: deps zenroom.command zencode-exec.command
+
+deps: ${BUILD_DEPS}
 
 cli_sources := src/cli-zenroom.o src/repl.o
 zenroom.command: ${ZEN_SOURCES} ${cli_sources}

build/deps.mk

@@ -5,10 +5,9 @@
 	-c $< -o $@ \
 	-DVERSION=\"${VERSION}\" \
 	-DCURRENT_YEAR=\"${CURRENT_YEAR}\" \
-	-DMAKETARGET=\"${MAKECMDGOALS}\" \
 	-DCOMMIT=\"${COMMIT}\" \
 	-DBRANCH=\"${BRANCH}\" \
-	-DCFLAGS="${CFLAGS}"
+	-DCFLAGS="${cflags}"
 
 embed-lua: lua_embed_opts := $(if ${COMPILE_LUA}, compile)
 embed-lua:

build/linux.mk

@@ -22,8 +22,9 @@ endif
 # activate CCACHE etc.
 include build/plugins.mk
 
-all: ${BUILD_DEPS} zenroom zencode-exec zencc
-	$(call update_compilers,${COMPILER})
+all: deps zenroom zencode-exec zencc
+
+deps: ${BUILD_DEPS}
 
 cli_sources := src/cli-zenroom.o src/repl.o
 zenroom: ${ZEN_SOURCES} ${cli_sources}