dnl Check that libplot is available.
AC_DEFUN([PSPP_LIBPLOT],
[
- AC_ARG_WITH(libplot, [ --without-libplot don't compile in support of charts (using libplot)])
+ AC_ARG_WITH(
+ libplot,
+ [AS_HELP_STRING([--without-libplot],
+ [don't compile in support of charts (using libplot)])])
if test x"$with_libplot" != x"no" ; then
# Check whether we can link against libplot without any extra libraries.
fi
])
-dnl Check that off_t is defined as an integer type.
-dnl Solaris sometimes declares it as a struct, if it
-dnl thinks that the compiler does not support `long long'.
-AC_DEFUN([PSPP_OFF_T],
-[
- AC_COMPILE_IFELSE([#include <sys/types.h>
- #include <unistd.h>
- off_t x = 0;
- int main (void)
- {
- lseek (0, 1, 2);
- return 0;
- }], [], [AC_MSG_ERROR(
- [Your system's definition of off_t is broken. You are probably
- using Solaris. You can probably fix the problem with
- `--disable-largefile' or `CFLAGS=-ansi'.])])
-])
-
dnl Check whether a C compiler option is accepted.
dnl If so, add it to CFLAGS.
dnl Example: PSPP_ENABLE_OPTION(-Wdeclaration-after-statement)
dnl Add $INCREADLINE to CPPFLAGS before performing the following checks,
dnl because if the user has installed libreadline and not disabled its use
- dnl via --without-libreadline-prefix, he wants to use it. The AC_TRY_LINK
+ dnl via --without-libreadline-prefix, he wants to use it. The AC_LINK_IFELSE
dnl will then succeed.
am_save_CPPFLAGS="$CPPFLAGS"
AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCREADLINE $INCHISTORY])
if test -n "$extra_lib"; then
LIBS="$LIBS -l$extra_lib"
fi
- AC_TRY_LINK([#include <stdio.h>
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
#include <readline/readline.h>
-#include <readline/history.h>],
- [readline((char*)0); add_history((char*)0);],
- gl_cv_lib_readline=yes)
+#include <readline/history.h>]], [[readline((char*)0); add_history((char*)0);]])],[gl_cv_lib_readline=yes],[])
if test "$gl_cv_lib_readline" = yes; then
if test -n "$extra_lib"; then
LIBREADLINE="$LIBREADLINE $LIBHISTORY -l$extra_lib"