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POHow to Cross Compile OMXPlayer on Ubuntu 11.10
 

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  1. POHow to Cross Compile OMXPlayer on Ubuntu 11.10
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    <p>I am trying to install omxplayer for my raspi, but as it is so slow, I wish to do it on my Ubuntu 11.10 desktop. I have followed the instructions for setting up a cross compiler as described <a href="https://stackoverflow.com/a/19269715/654789">here</a> (note, crosstools did not work for me). It mentions how to run it as such:</p> <blockquote> <p>Now you should be able to compile you cmake programs as easy as executing you cmake with this extra flag <code>-D CMAKE_TOOLCHAIN_FILE=$HOME/raspberrypi/pi.cmake</code></p> </blockquote> <p>But this does not help me as I have never used <code>cmake</code>. If I have a standard installation like so:</p> <pre><code>./configure make make install </code></pre> <p>Where does <code>-D CMAKE_TOOLCHAIN_FILE=$HOME/raspberrypi/pi.cmake</code> fit into all that? Do I just change both occurrences of <code>make</code> to <code>cmake</code> =P I wish people would consider us noob programmers when answering these questions. This one poster made my blood boil with his <a href="https://stackoverflow.com/a/14701859/654789">response</a>. I have included the omxplayer <code>Makefile.include</code> file, which I presume is where I have to make some serious changes, as well as my cross compilation <code>.cmake</code> file, could somebody describe to me what changes I have to make and how they correspond to each other.</p> <p><strong>Makefile.include:</strong></p> <pre><code>USE_BUILDROOT=0 FLOAT=hard ifeq ($(USE_BUILDROOT), 1) BUILDROOT :=/opt/xbmc-bcm/buildroot SDKSTAGE :=$(BUILDROOT)/output/staging TARGETFS :=$(BUILDROOT)/output/target TOOLCHAIN :=$(BUILDROOT)/output/host/usr/ HOST :=arm-unknown-linux-gnueabi SYSROOT :=$(BUILDROOT)/output/host/usr/arm-unknown-linux-gnueabi/sysroot else BUILDROOT :=/opt/bcm-rootfs SDKSTAGE :=/opt/bcm-rootfs TARGETFS :=/opt/bcm-rootfs TOOLCHAIN :=/home/dc4/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/ HOST :=arm-linux-gnueabihf #SYSROOT :=$(TOOLCHAIN)/arm-bcm2708hardfp-linux-gnueabi/sysroot SYSROOT :=/opt/bcm-rootfs endif JOBS=7 CFLAGS := -isystem$(PREFIX)/include CXXFLAGS := $(CFLAGS) CPPFLAGS := $(CFLAGS) LDFLAGS := -L$(BUILDROOT)/lib LD := $(TOOLCHAIN)/bin/$(HOST)-ld --sysroot=$(SYSROOT) CC := $(TOOLCHAIN)/bin/$(HOST)-gcc --sysroot=$(SYSROOT) CXX := $(TOOLCHAIN)/bin/$(HOST)-g++ --sysroot=$(SYSROOT) OBJDUMP := $(TOOLCHAIN)/bin/$(HOST)-objdump RANLIB := $(TOOLCHAIN)/bin/$(HOST)-ranlib STRIP := $(TOOLCHAIN)/bin/$(HOST)-strip AR := $(TOOLCHAIN)/bin/$(HOST)-ar CXXCP := $(CXX) -E PATH := $(PREFIX)/bin:$(BUILDROOT)/output/host/usr/bin:$(PATH) CFLAGS += -pipe -mfloat-abi=$(FLOAT) -mcpu=arm1176jzf-s -fomit-frame-pointer -mabi=aapcs-linux -mtune=arm1176jzf-s -mfpu=vfp -Wno-psabi -mno-apcs-stack-check -g -mstructure-size-boundary=32 -mno-sched-prolog LDFLAGS += -L$(SDKSTAGE)/lib -L$(SDKSTAGE)/usr/lib -L$(SDKSTAGE)/opt/vc/lib/ -Lpcre/build #INCLUDES += -isystem$(SDKSTAGE)/usr/include -isystem$(SDKSTAGE)/opt/vc/include -isystem$(SYSROOT)/usr/include -isystem$(SDKSTAGE)/opt/vc/include/interface/vcos/pthreads -isystem$(SDKSTAGE)/usr/include/freetype2 INCLUDES += -isystem$(SDKSTAGE)/opt/vc/include -isystem$(SYSROOT)/usr/include -isystem$(SDKSTAGE)/opt/vc/include/interface/vcos/pthreads -Ipcre/build -Iboost-trunk -Ifreetype2/include </code></pre> <p><strong>raspi.cmake:</strong></p> <pre><code>SET(CMAKE_SYSTEM_NAME Linux) SET(CMAKE_SYSTEM_VERSION 1) SET(CMAKE_C_COMPILER /mnt/UEF/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-gcc) SET(CMAKE_CXX_COMPILER /mnt/UEF/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++) SET(CMAKE_FIND_ROOT_PATH /mnt/UEF/rootfs) SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) </code></pre>
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