3rd-party/zisofs_tools/aclocal.m4

   1 dnl --------------------------------------------------------------------------
   2 dnl PA_ADD_CFLAGS()
   3 dnl
   4 dnl Attempt to add the given option to CFLAGS, if it doesn't break compilation
   5 dnl --------------------------------------------------------------------------
   6 AC_DEFUN(PA_ADD_CFLAGS,
   7 [AC_MSG_CHECKING([if $CC accepts $1])
   8  pa_add_cflags__old_cflags="$CFLAGS"
   9  CFLAGS="$CFLAGS $1"
  10  AC_TRY_LINK([#include <stdio.h>],
  11  [printf("Hello, World!\n");],
  12  AC_MSG_RESULT([yes]),
  13  AC_MSG_RESULT([no])
  14  CFLAGS="$pa_add_cflags__old_cflags")])
  15
  16 dnl ------------------------------------------------------------------------
  17 dnl  PA_WITH_BOOL
  18 dnl
  19 dnl  PA_WITH_BOOL(option, default, help, enable, disable)
  20 dnl
  21 dnl  Provides a more convenient way to specify --with-option and
  22 dnl  --without-option, with a default.  default should be either 0 or 1.
  23 dnl ------------------------------------------------------------------------
  24 AC_DEFUN(PA_WITH_BOOL,
  25 [AC_ARG_WITH([$1], [$3],
  26 if test ["$withval"] != no; then
  27 [$4]
  28 else
  29 [$5]
  30 fi,
  31 if test [$2] -ne 0; then
  32 [$4]
  33 else
  34 [$5]
  35 fi)])