configure error C compiler cannot create executables

Question

I ve checked a number of similar questions on stackoverflow but haven t found an answer yet   I m trying to install memcached on Lion OSX as shown here   Here s what I m getting   j-court-demones-macbook-pro libevent-1 4 12-stable jcourtdemone    configure  make checking for a BSD-compatible install     usr bin install -c checking whether build environment is sane    yes checking for a thread-safe mkdir -p      install-sh -c -d checking for gawk    no checking for mawk    no checking for nawk    no checking for awk    awk checking whether make sets   MAKE     yes checking for gcc    gcc checking for C compiler default output file name     configure  error  in   tmp libevent-1 4 12-stable   configure  error  C compiler cannot create executables See  config log  for more details  make      No targets specified and no makefile found   Stop    I ve reinstalled Xcode as was recommended in a couple places  but no dice   Here s my config log   This file contains any messages produced by compilers while running configure  to aid debugging if configure makes a mistake   It was created by configure  which was generated by GNU Autoconf 2 63   Invocation command line was        configure      ---------       Platform        ---------     hostname   j-court-demones-macbook-pro local uname -m   x86 64 uname -r   11 3 0 uname -s   Darwin uname -v   Darwin Kernel Version 11 3 0  Thu Jan 12 18 47 41 PST 2012  root xnu-1699 24 23 1 RELEASE X86 64   usr bin uname -p   i386  bin uname -X       unknown   bin arch                unknown  usr bin arch -k         unknown  usr convex getsysinfo   unknown  usr bin hostinfo        Mach kernel version       Darwin Kernel Version 11 3 0  Thu Jan 12 18 47 41 PST 2012  root xnu-1699 24 23 1 RELEASE X86 64 Kernel configured for up to 8 processors  4 processors are physically available  8 processors are logically available  Processor type  i486  Intel 80486  Processors active  0 1 2 3 4 5 6 7 Primary memory available  4 00 gigabytes Default processor set  109 tasks  599 threads  8 processors Load average  0 98  Mach factor  7 01  bin machine             unknown  usr bin oslevel         unknown  bin universe            unknown  PATH   opt local bin PATH   opt local sbin PATH   opt local bin PATH   opt local sbin PATH   usr bin PATH   Developer usr bin PATH   usr bin PATH   bin PATH   usr sbin PATH   sbin PATH   usr local bin PATH   usr X11 bin      -----------       Core tests        -----------     configure 2077  checking for a BSD-compatible install configure 2145  result   usr bin install -c configure 2156  checking whether build environment is sane configure 2199  result  yes configure 2224  checking for a thread-safe mkdir -p configure 2263  result    install-sh -c -d configure 2276  checking for gawk configure 2306  result  no configure 2276  checking for mawk configure 2306  result  no configure 2276  checking for nawk configure 2306  result  no configure 2276  checking for awk configure 2292  found  usr bin awk configure 2303  result  awk configure 2314  checking whether make sets   MAKE  configure 2336  result  yes configure 2575  checking for gcc configure 2591  found  Developer usr bin gcc configure 2602  result  gcc configure 2834  checking for C compiler version configure 2842  gcc --version  gt  amp 5 i686-apple-darwin9-gcc-4 0 1  GCC  4 0 1  Apple Inc  build 5484  Copyright  C  2005 Free Software Foundation  Inc  This is free software  see the source for copying conditions   There is NO warranty  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE   configure 2846       0 configure 2853  gcc -v  gt  amp 5 Using built-in specs  Target  i686-apple-darwin9 Configured with   var tmp gcc gcc-5484 1 src configure --disable-checking -enable-werror --prefix  usr --mandir  share man --enable-languages c objc c   obj-c   --program-transform-name    cg    -    s   -4 0  --with-gxx-include-dir  include c   4 0 0 --with-slibdir  usr lib --build i686-apple-darwin9 --with-arch apple --with-tune generic --host i686-apple-darwin9 --target i686-apple-darwin9 Thread model  posix gcc version 4 0 1  Apple Inc  build 5484  configure 2857       0 configure 2864  gcc -V  gt  amp 5 gcc-4 0  argument to  -V  is missing configure 2868       1 configure 2891  checking for C compiler default output file name configure 2913  gcc    conftest c   gt  amp 5 ld  library not found for -lcrt1 10 5 o collect2  ld returned 1 exit status configure 2917       1 configure 2955  result   configure  failed program was       confdefs h         define PACKAGE NAME       define PACKAGE TARNAME       define PACKAGE VERSION       define PACKAGE STRING       define PACKAGE BUGREPORT       define PACKAGE  libevent     define VERSION  1 4 12-stable       end confdefs h           int   main                     return 0      configure 2961  error  in   tmp libevent-1 4 12-stable   configure 2964  error  C compiler cannot create executables See  config log  for more details      ----------------       Cache variables        ----------------     ac cv env CCC set  ac cv env CCC value  ac cv env CC set  ac cv env CC value  ac cv env CFLAGS set  ac cv env CFLAGS value  ac cv env CPPFLAGS set  ac cv env CPPFLAGS value  ac cv env CPP set  ac cv env CPP value  ac cv env CXXCPP set  ac cv env CXXCPP value  ac cv env CXXFLAGS set  ac cv env CXXFLAGS value  ac cv env CXX set  ac cv env CXX value  ac cv env F77 set  ac cv env F77 value  ac cv env FFLAGS set  ac cv env FFLAGS value  ac cv env LDFLAGS set  ac cv env LDFLAGS value  ac cv env LIBS set  ac cv env LIBS value  ac cv env build alias set  ac cv env build alias value  ac cv env host alias set  ac cv env host alias value  ac cv env target alias set  ac cv env target alias value  ac cv path install   usr bin install -c  ac cv prog AWK awk ac cv prog ac ct CC gcc ac cv prog make make set yes     -----------------       Output variables        -----------------     ACLOCAL    SHELL   tmp libevent-1 4 12-stable missing --run aclocal-1 10  AMDEPBACKSLASH    AMDEP FALSE    AMDEP TRUE    AMTAR    SHELL   tmp libevent-1 4 12-stable missing --run tar  AR    AUTOCONF    SHELL   tmp libevent-1 4 12-stable missing --run autoconf  AUTOHEADER    SHELL   tmp libevent-1 4 12-stable missing --run autoheader  AUTOMAKE    SHELL   tmp libevent-1 4 12-stable missing --run automake-1 10  AWK  awk  BUILD WIN32 FALSE    BUILD WIN32 TRUE    CC  gcc  CCDEPMODE    CFLAGS    CPP    CPPFLAGS    CXX    CXXCPP    CXXDEPMODE    CXXFLAGS    CYGPATH W  echo  DEFS    DEPDIR    DSYMUTIL    ECHO   bin echo  ECHO C   c  ECHO N    ECHO T    EGREP    EXEEXT    F77    FFLAGS    GREP    INSTALL DATA    INSTALL  -m 644  INSTALL PROGRAM    INSTALL   INSTALL SCRIPT    INSTALL   INSTALL STRIP PROGRAM    install sh  -c -s  LDFLAGS    LIBOBJS    LIBS    LIBTOOL    LIBTOOL DEPS    LN S    LTLIBOBJS    MAKEINFO    SHELL   tmp libevent-1 4 12-stable missing --run makeinfo  MKDIR P    install-sh -c -d  NMEDIT    OBJEXT    PACKAGE  libevent  PACKAGE BUGREPORT    PACKAGE NAME    PACKAGE STRING    PACKAGE TARNAME    PACKAGE VERSION    PATH SEPARATOR     RANLIB    SED    SET MAKE    SHELL   bin sh  STRIP    VERSION  1 4 12-stable  ac ct CC  gcc  ac ct CXX    ac ct F77    am  fastdepCC FALSE    am  fastdepCC TRUE    am  fastdepCXX FALSE    am  fastdepCXX TRUE    am  include    am  isrc    am  leading dot     am  quote    am  tar    AMTAR  chof -    tardir   am  untar    AMTAR  xf -  bindir    exec prefix  bin  build    build alias    build cpu    build os    build vendor    datadir    datarootdir   datarootdir    prefix  share  docdir    datarootdir  doc   PACKAGE   dvidir    docdir   exec prefix  NONE  host    host alias    host cpu    host os    host vendor    htmldir    docdir   includedir    prefix  include  infodir    datarootdir  info  install sh    SHELL   tmp libevent-1 4 12-stable install-sh  libdir    exec prefix  lib  libexecdir    exec prefix  libexec  localedir    datarootdir  locale  localstatedir    prefix  var  mandir    datarootdir  man  mkdir p    top builddir    install-sh -c -d  oldincludedir   usr include  pdfdir    docdir   prefix   usr local  program transform name  s x x   psdir    docdir   sbindir    exec prefix  sbin  sharedstatedir    prefix  com  sysconfdir    prefix  etc  target alias        -----------       confdefs h        -----------      define PACKAGE NAME     define PACKAGE TARNAME     define PACKAGE VERSION     define PACKAGE STRING     define PACKAGE BUGREPORT     define PACKAGE  libevent   define VERSION  1 4 12-stable   configure  exit 77

User · Answer

Check where your clang is located  which clang  It should be somewhere under  usr bin clang  In my case from old times it was coming from Miniconda that was put artificially on the command line PATH  Fix that so that clang comes from Xcode and that should bring you forward

User · Answer

If anyone is coming here because RVM   Ruby is creating issues  Middleman Grunt  I ve solved my issue    PS  The answer by steroscott fixed my issue a while back   this time around not the case   In my case rvm is trying to use a downloaded gcc via homebrew  I ran a brew uninstall of gcc  gcc46 for me  and reran the code for the ruby installation  old project old ruby v     brew uninstall gcc46    rvm install 1 9 3   during that process of checking for requirements it automatically fetched a newer gcc for me and boom  all is working now  Oh a big note  the gcc install from the rvm command can take around 10-15 minutes without throwing out any text  it s not frozen    Good luck

User · Answer

When you see this error message  you might not have accepted the Xcode license agreement yet after an upgrade   First of all  make sure you have upgraded your commandline tools     xcode-select --install   Now Apple wants you to agree to their license before you can use these tools     gcc Agreeing to the Xcode iOS license requires admin privileges  please re-run as root via sudo     sudo gcc You have not agreed to the Xcode license agreements  You must agree to both license agreements below in order to use Xcode          After you have accepted it  the commandline tools will work as expected

User · Answer

I have 10 8 installed and Xcode 4 4 with Command Line tools  and yet I was still getting this error  Rather than reinstall Xcode  I noticed there were two relevant lines in my config log   configure 5130  checking for C compiler version configure 5139   Applications Xcode app Contents Developer Toolchains OSX10 8 xctoolchain usr bin cc --version  gt  amp 5   That path did not exist for me  Instead I had    Applications Xcode app Contents Developer Toolchains XcodeDefault xctoolchain   The C compiler   cc   is located inside of that xctoolchain directory  I created a symlink for OSX10 8 xctoolchain to point to XcodeDefault xctoolchain and that fixed it  Now the memcached installation script can find the compiler version and continue on its way   cd  Applications Xcode app Contents Developer Toolchains sudo ln -s XcodeDefault xctoolchain OSX10 8 xctoolchain   As suggested in the comments  if you are having this problem on Yosemite  10 10  or Mavericks  10 9   you can update the symlink command above to point to that specific version  OSX10 9 xctoolchain or OSX10 10 xctoolchain

User · Answer

Make sure there are no spaces in your Xcode application name  can happen if you keep older versions around - for example renaming it  Xcode 4 app    build tools will be referenced within the Xcode bundle paths  and many scripts can t handle references with spaces properly

User · Answer

You have an old set of developer tools  gcc is reporting its version as 4 0 1  This may be left over from migrating from an older version of the OS  If you ve installed Xcode 4 3 x  you need to launch it  go into its preferences  select the Downloads tab  and click  Install  next to the Command Line Tools package

User · Answer

I furiously read all of this page  hoping to find a solution for    configure  error  C compiler cannot create executables    In the end nothing worked  because my problem was a  typing  one  and was related to CFLAGS  In my  bash profile file I had   export ARM ARCH  arm64    export CFLAGS  -arch   ARM ARCH     As you can observe --- export ARM ARCH  arm64    --- the last quote sign is not the same with the first quote sign  The first one       is legal while the second one         is not  This happended because I made the mistake to use TextEdit  I m working under MacOS   and this is apparently a feature called SmartQuotes  the quote sign CHANGES BY ITSELF TO THE ILLEGAL STYLE whenever you edit something just next to it  Lesson learned  use a proper text editor

User · Answer

I had already installed the command line tools in xcode but I mine still errored out on    line 3619   usr bin gcc-4 2  No such file or directory   When I entered which gcc it returned    usr bin gcc   When I entered gcc -v I got a bunch of stuff then        gcc version 4 2 1  Based on Apple Inc  build 5658   LLVM build 2336 11 00    So I created a symlink   cd  usr bin sudo ln -s gcc gcc-4 2   And it worked    the config log file is located in the directory that make is trying to build something in

User · Answer

Setting  clang  as the compiler configure should use worked for me   export CC clang pip install --no-clean pycrypto

User · Answer

Ensures the path to Xcode app bundle is without space or strange characters  I have Xcode installed in   Downloads Last Dev Tools  folder  so with spaces and renaming the folder to LastDevTools fixed this  after resetting xcode-select -p though

User · Answer

I just had this issue building apache   The solution I used was the same as Mostafa  I had to export 2 variables   export CC  Applications Xcode app Contents Developer Toolchains XcodeDefault xctoolchain usr bin cc CPP   Applications Xcode app Contents Developer Toolchains XcodeDefault xctoolchain usr bin cc -E    This was one Mac OSX Mavericks

User · Answer

About clang iOS cross-compiler  I ve found that the problem was at miphoneos-version-min 5 0   I ve changed into miphoneos-version-min 8 0   Now it works   I just want suggest to use create a simple test c file and compile it by the command write in the log

User · Answer

First get the gcc path using      Command  which gcc      Output   usr bin gcc   I had the same issue  Please set the gcc path in below command and install     CC  usr bin gcc rvm install 1 9 3   Later if you get  Ruby was built without documentation  run below command     rvm docs generate-ri

User · Answer

For me it was a problem with gcc  highlighted by gcc -v  It was down to upgrading Xcode recently this post said to do sudo xcode-select -switch  Applications Xcode app which fixed the issue

User · Answer

I just had this issue building react-native app when I try to install Pod  I had to export 2 variables   export CC  Applications Xcode app Contents Developer Toolchains XcodeDefault xctoolchain usr bin cc CPP   Applications Xcode app Contents Developer Toolchains XcodeDefault xctoolchain usr bin cc -E

User · Answer

In my case  I tried  xcode-select --install but it says that it s not available from the store  Then  inspired by Rimian  I checked my gcc   gcc -v and then I got a message saying I did not aggreed   From that point I just followed the agreement process from gcc -v  after I agreed it works fine for me

[macos] configure: error: C compiler cannot create executables

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