gnu.h revision 18334 
1/* Configuration common to all targets running the GNU system.  */
2
3/* Macro to produce CPP_PREDEFINES for GNU on a given machine.  */
4#define GNU_CPP_PREDEFINES(machine) \
5"-D" machine " -Acpu(" machine ") -Amachine(" machine ")" \
6"-Dunix -Asystem(unix) \
7-DMACH -Asystem(mach) \
8-D__GNU__ -Asystem(gnu)"
9
10/* Provide GCC options for standard feature-test macros.  */
11#undef CPP_SPEC
12#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{bsd:-D_BSD_SOURCE}"
13
14/* Default C library spec.  Use -lbsd-compat for gcc -bsd.  */
15#undef LIB_SPEC
16#define LIB_SPEC "%{bsd:-lbsd-compat} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
17
18/* Standard include directory.  In GNU, "/usr" is a four-letter word.  */
19#undef STANDARD_INCLUDE_DIR
20#define STANDARD_INCLUDE_DIR "/include"
21
22
23/* We have atexit.  */
24#define HAVE_ATEXIT
25
26/* Implicit library calls should use memcpy, not bcopy, etc.  */
27#define TARGET_MEM_FUNCTIONS
28
29/* The system headers under GNU are C++-aware.  */
30#define NO_IMPLICIT_EXTERN_C
31