ltgcc.m4

   1 # _LT_LANG_GCJ_CONFIG([TAG])
   2 # --------------------------
   3 # Ensure that the configuration variables for the GNU Java Compiler compiler
   4 # are suitably defined.  These variables are subsequently used by _LT_CONFIG
   5 # to write the compiler configuration to `libtool'.  Locally modified to
   6 # run its tests on C programs, because we cannot link Java programs until
   7 # we have finished building libjava.
   8 AC_DEFUN([_LT_LANG_GCJ_CONFIG],
   9 [AC_REQUIRE([LT_PROG_GCJ])dnl
  10 AC_LANG_SAVE
  11
  12 # Source file extension for Java test sources.
  13 ac_ext=c
  14
  15 # Object file extension for compiled Java test sources.
  16 objext=o
  17 _LT_TAGVAR(objext, $1)=$objext
  18
  19 # Code to be used in simple compile tests
  20 lt_simple_compile_test_code="int some_variable = 0;"
  21
  22 # Code to be used in simple link tests
  23 lt_simple_link_test_code='int main(){return(0);}'
  24
  25 # ltmain only uses $CC for tagged configurations so make sure $CC is set.
  26 _LT_TAG_COMPILER
  27
  28 # save warnings/boilerplate of simple test code
  29 _LT_COMPILER_BOILERPLATE
  30 _LT_LINKER_BOILERPLATE
  31
  32 # Allow CC to be a program name with arguments.
  33 compiler=$CC
  34 _LT_TAGVAR(compiler, $1)=$CC
  35 _LT_CC_BASENAME([$compiler])
  36
  37 # GCJ did not exist at the time GCC didn't implicitly link libc in.
  38 _LT_TAGVAR(archive_cmds_need_lc, $1)=no
  39
  40 _LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
  41
  42 ## CAVEAT EMPTOR:
  43 ## There is no encapsulation within the following macros, do not change
  44 ## the running order or otherwise move them around unless you know exactly
  45 ## what you are doing...
  46 if test -n "$compiler"; then
  47   _LT_COMPILER_NO_RTTI($1)
  48   _LT_COMPILER_PIC($1)
  49   _LT_COMPILER_C_O($1)
  50   _LT_COMPILER_FILE_LOCKS($1)
  51   _LT_LINKER_SHLIBS($1)
  52   _LT_SYS_DYNAMIC_LINKER($1)
  53   _LT_LINKER_HARDCODE_LIBPATH($1)
  54
  55   _LT_CONFIG($1)
  56 fi
  57
  58 _LT_TAGVAR(compiler, $1)=${GCJ-gcj}
  59 AC_LANG_RESTORE
  60 ])# _LT_LANG_GCJ_CONFIG