【Android 内存优化】libjpeg-turbo 函数库交叉编译 ( libjpeg-turbo 函数库下载 | libjpeg-turbo 编译文档 | 环境准备 | NASM 安装 )

$ tar xvf libjpeg-turbo-2.0.5.tar.gz

$ tar xvf nasm-2.15.tar.gz

root@octopus:~/picture_compress# ls
libjpeg-turbo-2.0.5  libjpeg-turbo-2.0.5.tar.gz  nasm-2.15  nasm-2.15.tar.gz
root@octopus:~/picture_compress# 

$ ./configure

root@octopus:~/picture_compress/nasm-2.15# ./configure 
checking for prefix by checking for nasm... no
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking for gcc... gcc

// ... 省略一万行 

checking if gcc supports C99 external inlines... yes
configure: creating ./config.status
config.status: creating Makefile
config.status: creating doc/Makefile
config.status: creating config/config.h
root@octopus:~/picture_compress/nasm-2.15# 

$ make install

root@octopus:~/picture_compress/nasm-2.15# make install
gcc -c  -g -O2 -fwrapv -U__STRICT_ANSI__ -fno-common -Werror=attributes -ffunction-sections -fdata-sections -fvisibility=hidden -Wall -W -pedantic -Wc90-c99-compat -Wno-long-long -Wno-shift-negative-value -Werror=implicit -Werror=missing-braces -Werror=return-type -Werror=trigraphs -Werror=pointer-arith -Werror=missing-prototypes -Werror=missing-declarations -Werror=comment -Werror=vla -DHAVE_CONFIG_H -I. -I. -I./include -I./include -I./x86 -I./x86 -I./asm -I./asm -I./disasm -I./disasm -I./output -I./output -o asm/nasm.o asm/nasm.c

// 省略 ...

I./output -I./output -Wl,--gc-sections -o ndisasm disasm/ndisasm.o libnasm.a 
/bin/mkdir -p /usr/local/bin
/usr/bin/install -c nasm /usr/local/bin/nasm
/usr/bin/install -c ndisasm /usr/local/bin/ndisasm
/bin/mkdir -p /usr/local/share/man/man1
/usr/bin/install -c -m 644 ./nasm.1 /usr/local/share/man/man1/nasm.1
/usr/bin/install -c -m 644 ./ndisasm.1 /usr/local/share/man/man1/ndisasm.1
root@octopus:~/picture_compress/nasm-2.15# 

$ sudo apt install autoconf

$ autoreconf -fiv

    # Set these variables to suit your needs
    NDK_PATH={full path to the NDK directory-- for example,
      /opt/android/android-ndk-r16b}
    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r16b and earlier,
      and "clang" must be used with NDK r17c and later}
    ANDROID_VERSION={the minimum version of Android to support-- for example,
      "16", "19", etc.}

    cd {build_directory}
    cmake -G"Unix Makefiles" \
      -DANDROID_ABI=armeabi-v7a \
      -DANDROID_ARM_MODE=arm \
      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
      -DCMAKE_ASM_FLAGS="--target=arm-linux-androideabi${ANDROID_VERSION}" \
      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
      [additional CMake flags] {source_directory}
    make

    # Set these variables to suit your needs
    NDK_PATH={full path to the NDK directory-- for example,
      /opt/android/android-ndk-r16b}
    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r14b and earlier,
      and "clang" must be used with NDK r17c and later}
    ANDROID_VERSION={the minimum version of Android to support.  "21" or later
      is required for a 64-bit build.}

    cd {build_directory}
    cmake -G"Unix Makefiles" \
      -DANDROID_ABI=arm64-v8a \
      -DANDROID_ARM_MODE=arm \
      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
      -DCMAKE_ASM_FLAGS="--target=aarch64-linux-android${ANDROID_VERSION}" \
      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
      [additional CMake flags] {source_directory}
    make

    # Set these variables to suit your needs
    NDK_PATH={full path to the NDK directory-- for example,
      /opt/android/android-ndk-r16b}
    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r14b and earlier,
      and "clang" must be used with NDK r17c and later}
    ANDROID_VERSION={The minimum version of Android to support-- for example,
      "16", "19", etc.}

    cd {build_directory}
    cmake -G"Unix Makefiles" \
      -DANDROID_ABI=x86 \
      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
      [additional CMake flags] {source_directory}
    make

    # Set these variables to suit your needs
    NDK_PATH={full path to the NDK directory-- for example,
      /opt/android/android-ndk-r16b}
    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r14b and earlier,
      and "clang" must be used with NDK r17c and later}
    ANDROID_VERSION={the minimum version of Android to support.  "21" or later
      is required for a 64-bit build.}

    cd {build_directory}
    cmake -G"Unix Makefiles" \
      -DANDROID_ABI=x86_64 \
      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
      [additional CMake flags] {source_directory}
    make