acinclude.m4 revision 60484 
1dnl See whether we need to use fopen-bin.h rather than fopen-same.h.
2AC_DEFUN(BFD_BINARY_FOPEN,
3[AC_REQUIRE([AC_CANONICAL_SYSTEM])
4case "${host}" in
5changequote(,)dnl
6*-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
7changequote([,])dnl
8  AC_DEFINE(USE_BINARY_FOPEN, 1, [Use b modifier when opening binary files?]) ;;
9esac])dnl
10
11dnl Get a default for CC_FOR_BUILD to put into Makefile.
12AC_DEFUN(BFD_CC_FOR_BUILD,
13[# Put a plausible default for CC_FOR_BUILD in Makefile.
14if test -z "$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
20fi
21AC_SUBST(CC_FOR_BUILD)
22# Also set EXEEXT_FOR_BUILD.
23if test "x$cross_compiling" = "xno"; then
24  EXEEXT_FOR_BUILD='$(EXEEXT)'
25else
26  AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
27    [rm -f conftest*
28     echo 'int main () { return 0; }' > conftest.c
29     bfd_cv_build_exeext=
30     ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
31     for file in conftest.*; do
32       case $file in
33       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
34       *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
35       esac
36     done
37     rm -f conftest*
38     test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
39  EXEEXT_FOR_BUILD=""
40  test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
41fi
42AC_SUBST(EXEEXT_FOR_BUILD)])dnl
43
44dnl See whether we need a declaration for a function.
45AC_DEFUN(BFD_NEED_DECLARATION,
46[AC_MSG_CHECKING([whether $1 must be declared])
47AC_CACHE_VAL(bfd_cv_decl_needed_$1,
48[AC_TRY_COMPILE([
49#include <stdio.h>
50#ifdef HAVE_STRING_H
51#include <string.h>
52#else
53#ifdef HAVE_STRINGS_H
54#include <strings.h>
55#endif
56#endif
57#ifdef HAVE_STDLIB_H
58#include <stdlib.h>
59#endif
60#ifdef HAVE_UNISTD_H
61#include <unistd.h>
62#endif],
63[char *(*pfn) = (char *(*)) $1],
64bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
65AC_MSG_RESULT($bfd_cv_decl_needed_$1)
66if test $bfd_cv_decl_needed_$1 = yes; then
67  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
68	    [Define if $1 is not declared in system header files.])
69fi
70])dnl
71
72dnl Check for existence of a type $1 in sys/procfs.h
73
74AC_DEFUN(BFD_HAVE_SYS_PROCFS_TYPE,
75[AC_MSG_CHECKING([for $1 in sys/procfs.h])
76 AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
77   [AC_TRY_COMPILE([#include <sys/procfs.h>],
78      [$1 avar],
79      bfd_cv_have_sys_procfs_type_$1=yes,
80      bfd_cv_have_sys_procfs_type_$1=no
81   )])
82 if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
83   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
84	     [Define if <sys/procfs.h> has $1.])
85 fi
86 AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_$1)
87])
88
89
90dnl Check for existence of member $2 in type $1 in sys/procfs.h
91
92AC_DEFUN(BFD_HAVE_SYS_PROCFS_TYPE_MEMBER,
93[AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
94 AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
95   [AC_TRY_COMPILE([#include <sys/procfs.h>],
96      [$1 avar; void* aref = (void*) &avar.$2],
97      bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
98      bfd_cv_have_sys_procfs_type_member_$1_$2=no
99   )])
100 if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
101   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
102	     [Define if <sys/procfs.h> has $1.$2.])
103 fi
104 AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
105])
106
107
108