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linux - 编译 libsndfile,没有找到 FLAC

转载 作者:太空狗 更新时间:2023-10-29 11:12:43 24 4
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我正在尝试交叉编译 libsndfile 以便在具有 flac 功能的 intel edison 上使用。我已经成功地将 FLAC、OGG 和 VORBIS 编译到我的交叉工具链中,但是当我运行 ./configure 时,它会给我以下输出:

checking for pkg-config... /opt/poky-edison/1.7.3/sysroots/i686-pokysdk-linux/usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for flac >= 1.3.1 ... no
checking for ogg >= 1.1.3 ... yes
checking for vorbis >= 1.2.3 ... yes
checking for vorbisenc >= 1.2.3 ... yes

configure: WARNING: *** One or more of the external libraries (ie libflac, libogg and
configure: WARNING: *** libvorbis) is either missing (possibly only the development
configure: WARNING: *** headers) or is of an unsupported version.
configure: WARNING: ***
configure: WARNING: *** Unfortunately, for ease of maintenance, the external libs
configure: WARNING: *** are an all or nothing affair.

我的环境变量是这样设置的:

export SDKTARGETSYSROOT=/opt/poky-edison/1.7.3/sysroots/core2-32-poky-linux
export PATH=/opt/poky-edison/1.7.3/sysroots/i686-pokysdk-linux/usr/bin:/opt/poky-edison/1.7.3/sysroots/i686-pokysdk-linux/usr/bin/i586-poky-linux:$PATH
export PKG_CONFIG_SYSROOT_DIR=$SDKTARGETSYSROOT
export PKG_CONFIG_PATH=$SDKTARGETSYSROOT/usr/lib/pkgconfig
export CONFIG_SITE=/opt/poky-edison/1.7.3/site-config-core2-32-poky-linux
export OECORE_NATIVE_SYSROOT="/opt/poky-edison/1.7.3/sysroots/i686-pokysdk-linux"
export OECORE_TARGET_SYSROOT="$SDKTARGETSYSROOT"
export OECORE_ACLOCAL_OPTS="-I /opt/poky-edison/1.7.3/sysroots/i686-pokysdk-linux/usr/share/aclocal"
export PYTHONHOME=/opt/poky-edison/1.7.3/sysroots/i686-pokysdk-linux/usr
export CC="i586-poky-linux-gcc -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -mstackrealign -fno-omit-frame-pointer --sysroot=$SDKTARGETSYSROOT"
export CXX="i586-poky-linux-g++ -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -mstackrealign -fno-omit-frame-pointer --sysroot=$SDKTARGETSYSROOT -I${SDKTARGETSYSROOT}/usr/include/c++/4.9.1 -I${SDKTARGETSYSROOT}/usr/include/c++/4.9.1/i586-poky-linux"
export CPP="i586-poky-linux-gcc -E -m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -mstackrealign -fno-omit-frame-pointer --sysroot=$SDKTARGETSYSROOT"
export AS="i586-poky-linux-as "
export LD="i586-poky-linux-ld --sysroot=$SDKTARGETSYSROOT"
export GDB=i586-poky-linux-gdb
export STRIP=i586-poky-linux-strip
export RANLIB=i586-poky-linux-ranlib
export OBJCOPY=i586-poky-linux-objcopy
export OBJDUMP=i586-poky-linux-objdump
export AR=i586-poky-linux-ar
export NM=i586-poky-linux-nm
export M4=m4
export TARGET_PREFIX=i586-poky-linux-
export CONFIGURE_FLAGS="--target=i586-poky-linux --host=i586-poky-linux --build=i686-linux --with-libtool-sysroot=$SDKTARGETSYSROOT"
export CFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types"
export CXXFLAGS=" -O2 -pipe -g -feliminate-unused-debug-types"
export LDFLAGS=""
export CPPFLAGS=""
export KCFLAGS="--sysroot=$SDKTARGETSYSROOT"
export OECORE_DISTRO_VERSION="1.7.3"
export OECORE_SDK_VERSION="1.7.3"
export ARCH=x86
export CROSS_COMPILE=i586-poky-linux-

但是 flac 库在那里(在/opt/poky-edison/1.7.3/sysroots/core2-32-poky-linux/usr/local 中)!我尝试在几个地方向我编译的 flac 库添加显式路径,但没有任何区别。有没有我应该尝试调整路径的特定位置?

最佳答案

Edison SDK 实际上已经带有 FLAC,但版本较旧。将我自己的版本编译到我的 SDK 中的 usr/local/lib 位置并没有更新 pkgConfig,因为它将 pkgconfig 放入 /usr/local/ib/pkgconfig .

最简单的解决方案是将路径添加到环境设置脚本中的 PKG_CONFIG_PATH 变量中,以 : 分隔。例如,第 4 行变为:
导出 PKG_CONFIG_PATH=$SDKTARGETSYSROOT/usr/lib/pkgconfig:$SDKTARGETSYSROOT/usr/local/lib/pkgconfig

您也可以在 ./config 步骤中传递路径,但我认为将其添加到变量是更好的长期解决方案。

关于linux - 编译 libsndfile,没有找到 FLAC,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38799511/

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