bfd/acinclude.m4

   1 dnl See whether we need to use fopen-bin.h rather than fopen-same.h.
   2 AC_DEFUN(BFD_BINARY_FOPEN,
   3 [AC_REQUIRE([AC_CANONICAL_SYSTEM])
   4 case "${host}" in
   5 changequote(,)dnl
   6 i[345]86-*-msdos* | i[345]86-*-go32* | *-*-cygwin32 | *-*-windows)
   7 changequote([,])dnl
   8   AC_DEFINE(USE_BINARY_FOPEN) ;;
   9 esac])dnl
  10
  11 dnl Get a default for CC_FOR_BUILD to put into Makefile.
  12 AC_DEFUN(BFD_CC_FOR_BUILD,
  13 [# Put a plausible default for CC_FOR_BUILD in Makefile.
  14 if test -z "$CC_FOR_BUILD"; then
  15   if test "x$cross_compiling" = "xno"; then
  16     CC_FOR_BUILD='$(CC)'
  17   else
  18     CC_FOR_BUILD=gcc
  19   fi
  20 fi
  21 AC_SUBST(CC_FOR_BUILD)])dnl
  22
  23 dnl See whether we need a declaration for a function.
  24 AC_DEFUN(BFD_NEED_DECLARATION,
  25 [AC_MSG_CHECKING([whether $1 must be declared])
  26 AC_CACHE_VAL(bfd_cv_decl_needed_$1,
  27 [AC_TRY_COMPILE([
  28 #include <stdio.h>
  29 #ifdef HAVE_STRING_H
  30 #include <string.h>
  31 #else
  32 #ifdef HAVE_STRINGS_H
  33 #include <strings.h>
  34 #endif
  35 #endif
  36 #ifdef HAVE_STDLIB_H
  37 #include <stdlib.h>
  38 #endif
  39 #ifdef HAVE_UNISTD_H
  40 #include <unistd.h>
  41 #endif],
  42 [char *(*pfn) = (char *(*)) $1],
  43 bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
  44 AC_MSG_RESULT($bfd_cv_decl_needed_$1)
  45 if test $bfd_cv_decl_needed_$1 = yes; then
  46   bfd_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
  47   AC_DEFINE_UNQUOTED($bfd_tr_decl)
  48 fi
  49 ])dnl