···

       
116
       
116
       
 
       


     

       
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117
       
 
       
# Normally (for host != target case) --without-headers automatically

     

       
118
       
118
       
 
       
# enables 'inhibit_libc=true' in gcc's gcc/configure.ac. But case of

     

       
119
       
119
       
-
       
# gcc->clang "cross"-compilation manages to evade it: there

     

       
119
       
119
       
+
       
# gcc->clang or dynamic->static "cross"-compilation manages to evade it: there

     

       
120
       
120
       
 
       
# hostPlatform != targetPlatform, hostPlatform.config == targetPlatform.config.

     

       
121
       
121
       
 
       
# We explicitly inhibit libc headers use in this case as well.

     

       
122
       
122
       
 
       
+ lib.optionalString (targetPlatform != hostPlatform &&

     

       
123
       
123
       
 
       
                      withoutTargetLibc &&

     

       
124
       
124
       
-
       
                      targetPlatform.config == hostPlatform.config &&

     

       
125
       
125
       
-
       
                      (stdenv.cc.isClang || stdenv.targetPlatform.useLLVM or false)) ''

     

       
124
       
124
       
+
       
                      targetPlatform.config == hostPlatform.config) ''

     

       
126
       
125
       
 
       
  export inhibit_libc=true

     

       
127
       
126
       
 
       
''

     

       
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127