build the python module on OSX

install swig in travis' brew,
use gcc in place of ld for osx
always use CC for -shared linking of python modules

.travis.yml

@@ -27,12 +27,14 @@ addons:
 
 before_install:
 - git submodule update --init --recursive
+- if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install swig; fi
 # - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then docker run -dit --name emscripten -v $(pwd):/src trzeci/emscripten:sdk-incoming-64bit bash ; fi
 # - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then mkdir -p /usr/local/musl/lib && cp /usr/lib/x86_64-linux-musl/libc.a /usr/local/musl/lib/libc.a ;fi
 
 script:
 - mkdir -p build
 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then make osx && make check-osx && cp -v src/zenroom.command build/zenroom.command; fi
+- if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then make osx-python && cp -v src/_zenroom.so build/_zenroom.so; fi
 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then make clean && cd lib/milagro-crypto-c && git clean -fd && cd - ;fi
 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then make ios-armv7; fi
 - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then make clean && cd lib/milagro-crypto-c && git clean -fd && cd - ;fi
@@ -60,6 +62,18 @@ deploy:
       repo: DECODEproject/zenroom
       branch: "$RELEASE_BRANCH"
       condition: $TRAVIS_OS_NAME = osx
+  - provider: releases
+    api_key:
+      secure: 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
+    file: build/_zenroom.so
+    skip_cleanup: true
+    draft: true
+    name: Zenroom $TRAVIS_TAG Python module (Apple/OSX build)
+    on:
+      tags: true
+      repo: DECODEproject/zenroom
+      branch: "$RELEASE_BRANCH"
+      condition: $TRAVIS_OS_NAME = osx
   - provider: releases
     api_key:
       secure: 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

Makefile

@@ -136,8 +136,15 @@ linux-lib: cflags += -shared -DLIBRARY
 linux-python: apply-patches lua53 milagro lpeglabel
 	swig -python ${pwd}/build/swig.i
 	${gcc} ${cflags} -c ${pwd}/build/swig_wrap.c \
-		 -o src/zen_python.o $(shell pkg-config python --cflags)
-	CC=${gcc} CFLAGS="${cflags}" LDFLAGS="${ldflags}" LDADD="${ldadd}" \
+		 -o src/zen_python.o
+	CC=${gcc} LD=${ld} CFLAGS="${cflags}" LDFLAGS="${ldflags}" LDADD="${ldadd}" \
+		make -C src python
+
+osx-python: apply-patches lua53 milagro lpeglabel
+	swig -python ${pwd}/build/swig.i
+	${gcc} ${cflags} -c ${pwd}/build/swig_wrap.c \
+		-o src/zen_python.o
+	CC=${gcc} LD=${ld} CFLAGS="${cflags}" LDFLAGS="${ldflags}" LDADD="${ldadd}" \
 		make -C src python
 
 linux-go: apply-patches lua53 milagro lpeglabel

build/config.mk

@@ -64,10 +64,16 @@ endif
 
 ifneq (,$(findstring osx,$(MAKECMDGOALS)))
 cflags := ${cflags} -fPIC ${cflags_protection} -D'ARCH=\"OSX\"' -DARCH_OSX
+ld := ${gcc}
 ldflags := -lm
 system := Darwin
 endif
 
+ifneq (,$(findstring python,$(MAKECMDGOALS)))
+cflags += $(shell pkg-config python --cflags)
+ldflags += $(shell pkg-config python --libs)
+endif
+
 ifneq (,$(findstring javascript,$(MAKECMDGOALS)))
 gcc := ${EMSCRIPTEN}/emcc
 ar := ${EMSCRIPTEN}/emar

src/Makefile

@@ -55,7 +55,7 @@ linux-lib: ${SOURCES}
 	${CC} ${CFLAGS} ${SOURCES} -o libzenroom-${ARCH}-${VERSION}-${BRANCH}-${HASH}.so ${LDFLAGS} ${LDADD}
 
 python: ${SOURCES}
-	${LD} -shared ${SOURCES} zen_python.o -o _zenroom.so ${LDFLAGS} ${LDADD}
+	${CC} -shared ${SOURCES} zen_python.o -o _zenroom.so ${LDFLAGS} ${LDADD}
 
 go: ${SOURCES}
 	${LD} -shared ${SOURCES} zen_go.o -o libzenroomgo.so ${LDFLAGS} ${LDADD}