OSX 아파치 컴파일이 안될때 확인

sudo ln -s 

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain 

/Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain

========================

Configuring Apache Portable Runtime library ...

checking for APR... yes

  setting CC to "/Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain/usr/bin/cc"

  setting CPP to "/Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain/usr/bin/cc -E"

  setting CFLAGS to " "

  setting CPPFLAGS to " -DDARWIN -DSIGPROCMASK_SETS_THREAD_MASK -DDARWIN_10"

  setting LDFLAGS to " "

Configuring Apache Portable Runtime Utility library...

checking for APR-util... yes

checking for gcc... /Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.10.xctoolchain/usr/bin/cc

checking whether the C compiler works... no

configure: error: in `/app/src/httpd-2.2.27':

configure: error: C compiler cannot create executables

See `config.log' for more details