将Apache Portable Runtime交叉编译到iPhone

时间：2009-10-22 00:56:51

标签： iphone gcc iphone-sdk-3.0 autotools cross-compiling

这是关于iPhone交叉编译的上一个问题的后续内容：
Cross-compile Autotools-based Libraries for Official iPhone SDK

基本上，我正在尝试为iPhone编译Apache Portable Runtime（APR）1.3.8版（最新版）。我目前在配置步骤中遇到以下错误：

checking for working PROCESS_SHARED locks... configure: error: in `/Users/michaelsafyan/Downloads/apr-1.3.8':
configure: error: cannot run test program while cross compiling
See `config.log' for more details.

我通过“iphone3.1-configure --disable-dso --enable-threads”调用“configure”脚本，其中“iphone3.1-configure”是我编写的以下脚本调用“configure”脚本：

#! /bin/bash

#
# Program  : iphone3.1-configure
# Authors  : Michael Aaron Safyan (michaelsafyan@gmail.com)
# Synopsis :
#            This program runs the "configure" script generated by the
#            GNU Autotools in order to cross-compile thirdparty libraries
#            for the iPhone 3.1 SDK. Run this script while in a directory
#            containing an autotools "configure" script. Once you run this,
#            you can use "make" and "sudo make install" to build the library.
#            An install prefix of "/opt/iphone-3.1/" is used.
#

unset CPATH
unset C_INCLUDE_PATH
unset CPLUS_INCLUDE_PATH
unset OBJC_INCLUDE_PATH
unset LIBS
unset DYLD_FALLBACK_LIBRARY_PATH
unset DYLD_FALLBACK_FRAMEWORK_PATH

export BUILD_DARWIN_VER=`uname -r`
export SDKVER="3.1"
export DEVROOT="/Developer/Platforms/iPhoneOS.platform/Developer"
export SDKROOT="$DEVROOT/SDKs/iPhoneOS$SDKVER.sdk"
export PKG_CONFIG_PATH=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS$SDKVER.sdk/usr/lib/pkgconfig:/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/pkgconfig:/opt/iphone-$SDKVER/lib/pkgconfig:/usr/local/iphone-$SDKVER/lib/pkgconfig
export PREFIX="/opt/iphone-$SDKVER"
export AS="$DEVROOT/usr/bin/as"
export ASCPP="$DEVROOT/usr/bin/as"
export AR="$DEVROOT/usr/bin/ar"
export RANLIB="$DEVROOT/usr/bin/ranlib"
export CPPFLAGS="-pipe -no-cpp-precomp -I$SDKROOT/usr/lib/gcc/arm-apple-darwin9/4.2.1/include/ -I$SDKROOT/usr/include -I$DEVROOT/usr/include -I/opt/iphone-$SDKVER/include -I/usr/local/iphone-$SDKVER/include"
export CFLAGS="-std=c99 -arch armv6 -pipe -no-cpp-precomp --sysroot='$SDKROOT' -isystem $SDKROOT/usr/lib/gcc/arm-apple-darwin9/4.2.1/include/ -isystem $SDKROOT/usr/include -isystem $DEVROOT/usr/include -isystem /opt/iphone-$SDKVER/include -isystem /usr/local/iphone-$SDKVER/include"
export CXXFLAGS="-std=c99 -arch armv6 -pipe -no-cpp-precomp --sysroot='$SDKROOT' -isystem $SDKROOT/usr/lib/gcc/arm-apple-darwin9/4.2.1/include/ -isystem $SDKROOT/usr/include -isystem $DEVROOT/usr/include -isystem /opt/iphone-$SDKVER/include -isystem /usr/local/iphone-$SDKVER/include"
export LDFLAGS="-arch armv6 --sysroot='$SDKROOT' -L$SDKROOT/usr/lib -L$DEVROOT/usr/lib -L/opt/iphone-$SDKVER/lib -L/usr/local/iphone-$SDKVER/lib"
export CPP="$DEVROOT/usr/bin/cpp"
export CXXCPP="$DEVROOT/usr/bin/cpp"
export CC="$DEVROOT/usr/bin/gcc-4.2"
export CXX="$DEVROOT/usr/bin/g++-4.2"
export LD="$DEVROOT/usr/bin/ld"
export STRIP="$DEVROOT/usr/bin/strip"

if [ ! \( -d "$DEVROOT" \) ] ; then
   echo "The iPhone SDK could not be found. Folder \"$DEVROOT\" does not exist."
   exit 1
fi

if [ ! \( -d "$SDKROOT" \) ] ; then
   echo "The iPhone SDK could not be found. Folder \"$SDKROOT\" does not exist."
   exit 1
fi

./configure --prefix="$PREFIX" --build="i386-apple-darwin$BUILD_DARWIN_VER" --host="arm-apple-darwin9" --enable-static --disable-shared ac_cv_file__dev_zero=no ac_cv_func_setpgrp_void=yes $@

配置错误给我的不是我第一次收到“交叉编译时无法运行测试程序”的消息。实际上，“iphone3.1-configure”脚本中的“ac_cv_file__dev_zero = no”和“ac_cv_func_setpgrp_void = yes”元素会导致两个类似的失败测试被绕过。我遇到的问题是我不知道如何绕过这个检查 - 也就是说，我不知道要设置什么变量来绕过这个测试以及尝试运行为目标构建的可执行文件的任何其他测试平台。我能够绕过之前的两个类似的测试，因为我能够在Google上找到解决方法...有没有人知道要设置哪些变量或绕过此检查的其他方式？

如果有人知道某种方法可以抑制交叉编译时无法执行的所有测试，或者您只知道如何抑制此特定检查，我将非常感激。非常感谢你。

1 个答案:

答案 0 :(得分：9)

需要设置以下变量：

  • ac_cv_file__dev_zero = “是”
  • ac_cv_func_setpgrp_void = “是”
  • apr_cv_process_shared_works = “是”
  • apr_cv_mutex_robust_shared = “否”
  • apr_cv_tcp_nodelay_with_cork = “是”
  • ac_cv_sizeof_struct_iovec = “8”
  • apr_cv_mutex_recursive = “是”

使用以下更新的“iphone3.1-configure”脚本配置程序：

#! /bin/bash

#
# Program  : iphone3.1-configure
# Authors  : Michael Aaron Safyan (michaelsafyan@gmail.com)
# Synopsis :
#            This program runs the "configure" script generated by the
#            GNU Autotools in order to cross-compile thirdparty libraries
#            for the iPhone 3.1 SDK. Run this script while in a directory
#            containing an autotools "configure" script. Once you run this,
#            you can use "make" and "sudo make install" to build the library.
#            An install prefix of "/opt/iphone-3.1/" is used.
#

unset CPATH
unset C_INCLUDE_PATH
unset CPLUS_INCLUDE_PATH
unset OBJC_INCLUDE_PATH
unset LIBS
unset DYLD_FALLBACK_LIBRARY_PATH
unset DYLD_FALLBACK_FRAMEWORK_PATH

export BUILD_DARWIN_VER=`uname -r`
export SDKVER="3.1"
export DEVROOT="/Developer/Platforms/iPhoneOS.platform/Developer"
export SDKROOT="$DEVROOT/SDKs/iPhoneOS$SDKVER.sdk"
export PKG_CONFIG_PATH=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS$SDKVER.sdk/usr/lib/pkgconfig:/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/pkgconfig:/opt/iphone-$SDKVER/lib/pkgconfig:/usr/local/iphone-$SDKVER/lib/pkgconfig
export PREFIX="/opt/iphone-$SDKVER"
export AS="$DEVROOT/usr/bin/as"
export ASCPP="$DEVROOT/usr/bin/as"
export AR="$DEVROOT/usr/bin/ar"
export RANLIB="$DEVROOT/usr/bin/ranlib"
export CPPFLAGS="-pipe -no-cpp-precomp -I$SDKROOT/usr/lib/gcc/arm-apple-darwin9/4.2.1/include/ -I$SDKROOT/usr/include -I$DEVROOT/usr/include -I/opt/iphone-$SDKVER/include -I/usr/local/iphone-$SDKVER/include"
export CFLAGS="-std=c99 -arch armv6 -pipe -no-cpp-precomp --sysroot='$SDKROOT' -isystem $SDKROOT/usr/lib/gcc/arm-apple-darwin9/4.2.1/include/ -isystem $SDKROOT/usr/include -isystem $DEVROOT/usr/include -isystem /opt/iphone-$SDKVER/include -isystem /usr/local/iphone-$SDKVER/include"
export CXXFLAGS="-std=c99 -arch armv6 -pipe -no-cpp-precomp --sysroot='$SDKROOT' -isystem $SDKROOT/usr/lib/gcc/arm-apple-darwin9/4.2.1/include/ -isystem $SDKROOT/usr/include -isystem $DEVROOT/usr/include -isystem /opt/iphone-$SDKVER/include -isystem /usr/local/iphone-$SDKVER/include"
export LDFLAGS="-arch armv6 --sysroot='$SDKROOT' -L$SDKROOT/usr/lib -L$DEVROOT/usr/lib -L/opt/iphone-$SDKVER/lib -L/usr/local/iphone-$SDKVER/lib"
export CPP="$DEVROOT/usr/bin/cpp"
export CXXCPP="$DEVROOT/usr/bin/cpp"
export CC="$DEVROOT/usr/bin/gcc-4.2"
export CXX="$DEVROOT/usr/bin/g++-4.2"
export LD="$DEVROOT/usr/bin/ld"
export STRIP="$DEVROOT/usr/bin/strip"

if [ ! \( -d "$DEVROOT" \) ] ; then
   echo "The iPhone SDK could not be found. Folder \"$DEVROOT\" does not exist."
   exit 1
fi

if [ ! \( -d "$SDKROOT" \) ] ; then
   echo "The iPhone SDK could not be found. Folder \"$SDKROOT\" does not exist."
   exit 1
fi

./configure \
    --prefix="$PREFIX" \
    --build="i386-apple-darwin$BUILD_DARWIN_VER" \
    --host="arm-apple-darwin9" \
    --enable-static \
    --disable-shared \
    ac_cv_file__dev_zero="yes" \
    ac_cv_func_setpgrp_void="yes" \
    apr_cv_process_shared_works="yes" \
    apr_cv_mutex_robust_shared="no" \
    apr_cv_tcp_nodelay_with_cork="yes" \
    ac_cv_sizeof_struct_iovec="8" \
    apr_cv_mutex_recursive="yes" $@

使用“iphone3.1-configure --disable-dso --enable-threads＆amp;＆amp; make”，然后“sudo make install”。

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