try to cross-compile instead of using debianbootstrap

.travis.yml

@@ -1,26 +1,19 @@
 dist: trusty
 sudo: required
+matrix:
+    - TOOLCHAIN=
+    - TOOLCHAIN=raspberry.toolchain
 before_install:
 - sudo apt-get install -y cmake liblog4cpp5-dev liblivemedia-dev libasound2-dev
-- sudo apt-get install -y qemu-user-static debootstrap 
 # for coverage
 - pip install --user cpp-coveralls pyYaml
-# install chroot for cross-compilation
-- sudo debootstrap --arch armhf --foreign --include=g++,git,make,cmake,liblog4cpp5-dev,liblivemedia-dev,libasound2-dev jessie rootfs http://sfo-korg-mirror.kernel.org/debian
-- sudo cp /usr/bin/qemu-arm-static rootfs/usr/bin/
-- sudo chroot rootfs /debootstrap/debootstrap --second-stage
 language: cpp
 compiler:
 - gcc
 script:
+- if [ "$TOOLCHAIN" != "" ]; then git clone --depth 1 https://github.com/raspberrypi/tools.git rpi_tools && export PATH=$PATH:$(pwd)/rpi_tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin; fi
 #build on native system
 - cmake . && make && cpack .
-#cleanup
-- rm -rf CMakeCache.txt *.a CMakeFiles
-#build on chroot system
-- sudo mkdir rootfs/home/v4l2rtspserver
-- sudo mount --bind . rootfs/home/v4l2rtspserver
-- sudo chroot rootfs bash -c "cd /home/v4l2rtspserver && cmake . && make && cpack ."
 #run coverage test
 - sudo rm -rf CMakeCache.txt *.a CMakeFiles
 - cmake -DCOVERAGE=ON . && make && make test
@@ -38,16 +31,14 @@ addons:
     branch_pattern: master
     notification_email: scan_notifications@example.com
 before_deploy:
-  - export RELEASE_PKG_FILE_X86=$(ls *-x86_64.deb)
-  - export RELEASE_PKG_FILE_ARM=$(ls *-arm*.deb)
-  - echo "deploying ${RELEASE_PKG_FILE_X86} ${RELEASE_PKG_FILE_ARM} to GitHub releases"    
+  - export RELEASE_PKG_FILE=$(ls *.deb)
+  - echo "deploying ${RELEASE_PKG_FILE} to GitHub releases"    
 deploy:
   provider: releases
   api_key:
     secure: gcQy7QO09vfGtcRMi8D+6VykDfK1tuz1jEZRmJER6eZ0p2gRi4F6mtsMRJWt3QsKkZQWkJpPTvCfv9GyNmWTrZV746y5QVnd+mjPx+6K/LgroK4LWgOgzJ6zQ6qfDKU80GbxJOnNv9/HmIcxSCiactxS50tbvntqpBGCmiIL+4U=
   file: 
-    - "${RELEASE_PKG_FILE_X86}"
-    - "${RELEASE_PKG_FILE_ARM}"
+    - "${RELEASE_PKG_FILE}"
   skip_cleanup: true
   on:
     repo: mpromonet/v4l2rtspserver

CMakeLists.txt

@@ -48,6 +48,7 @@ target_link_libraries (${PROJECT_NAME} ${CMAKE_THREAD_LIBS_INIT})
 #ALSA
 find_package(ALSA QUIET)
 if (ALSA_LIBRARY)
+	message(STATUS "Alsa available")
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_ALSA")
         target_link_libraries (${PROJECT_NAME} ${ALSA_LIBRARY}) 
 endif (ALSA_LIBRARY)
@@ -67,8 +68,9 @@ endif (LOG4CPP_INCLUDE_DIR)
 # live555
 find_path(LIBLIVE555_INCLUDE_DIR liveMedia/liveMedia.hh)
 if (NOT LIBLIVE555_INCLUDE_DIR)
-        message(STATUS "Installing liblivemedia-dev")
-        EXEC_PROGRAM("sudo apt-get install -y liblivemedia-dev")
+        message(STATUS "Installing live55")
+        EXEC_PROGRAM("wget http://www.live555.com/liveMedia/public/live555-latest.tar.gz -O - | tar xzf -")
+        EXEC_PROGRAM("cd live && ./genMakefiles linux-gdb && make CPLUSPLUS_COMPILER=${CMAKE_CXX_COMPILER} C_COMPILER=${CMAKE_C_COMPILER} LINK='${CMAKE_CXX_COMPILER} -o' PREFIX=${CMAKE_FIND_ROOT_PATH} install")
 endif (NOT LIBLIVE555_INCLUDE_DIR)
 
 find_path(LIBLIVE555_INCLUDE_DIR liveMedia/liveMedia.hh)

raspberry.toolchain

@@ -3,6 +3,9 @@ SET(CMAKE_SYSTEM_PROCESSOR armhf)
 set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR})
 SET(CMAKE_C_COMPILER arm-linux-gnueabihf-gcc)
 SET(CMAKE_CXX_COMPILER arm-linux-gnueabihf-g++)
-SET(CMAKE_FIND_ROOT_PATH ${PROJECT_SOURCE_DIR}/rootfs)
+
+execute_process(COMMAND ${CMAKE_C_COMPILER} -print-sysroot OUTPUT_VARIABLE CMAKE_FIND_ROOT_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+
 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-include_directories(SYSTEM ${PROJECT_SOURCE_DIR}/rootfs/usr/include/arm-linux-gnueabihf)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)