(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
cpp/
include3.c
       1  /* Unpatched, this file would include "inc/ foo.h" (note the space)  */
       2  
       3  #define PREINC_XSTR(str)             #str
       4  #define PREINC_STR(str)              PREINC_XSTR(str)
       5  #define COMP_INC(comp,file)          PREINC_STR(comp/file)
       6  
       7  #include COMP_INC(inc, foo.h)