dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
-dnl Check longest integer in digits.
+dnl Prerequisites.
-AC_DEFUN([BLP_INT_DIGITS],
+dnl Instead of giving an error about each prerequisite as we encounter it,
+dnl group them all together at the end of the run, to be user-friendly.
+AC_DEFUN([PSPP_REQUIRED_PREREQ], [pspp_required_prereqs="$pspp_required_prereqs
+ $1"])
+AC_DEFUN([PSPP_OPTIONAL_PREREQ], [pspp_optional_prereqs="$pspp_optional_prereqs
+ $1"])
+AC_DEFUN([PSPP_CHECK_PREREQS],
[
-AC_MSG_CHECKING(number of digits in LONG_MIN (incl. sign))
-AC_CACHE_VAL(blp_int_digits,
- [AC_TRY_RUN([#include <stdio.h>
- #include <limits.h>
- int
- main()
- {
- int len;
- char s[80];
- sprintf(s, "%ld", LONG_MAX);
- len = strlen(s);
- sprintf(s, "%ld", LONG_MIN);
- if(strlen(s)>len) len=strlen(s);
- sprintf(s, "%lu", ULONG_MAX);
- if(strlen(s)>len) len=strlen(s);
- exit(len);
- }
- ],
- eval "blp_int_digits=19",
- eval "blp_int_digits=$?"
- if test "$blp_int_digits" -lt 11; then
- blp_int_digits=11
- fi,
- eval "blp_int_digits=19")
- ])
-AC_DEFINE_UNQUOTED([INT_DIGITS], $blp_int_digits,
- [Number of digits in longest `long' value, including sign.
- This is usually 11, for 32-bit `long's, or 19, for 64-bit
- `long's.])
-AC_MSG_RESULT($blp_int_digits) ])dnl
-
-dnl Check quality of this machine's sprintf implementation.
-
-AC_DEFUN([BLP_IS_SPRINTF_GOOD],
-[
-AC_MSG_CHECKING(if sprintf returns a char count)
-AC_CACHE_VAL(blp_is_sprintf_good,
- [AC_TRY_RUN([#include <stdio.h>
- int
- main()
- {
- char s[8];
- exit((int)sprintf(s, "abcdefg")!=7);
- }
- ],
- eval "blp_is_sprintf_good=yes",
- eval "blp_is_sprintf_good=no",
- eval "blp_is_sprintf_good=no")
- ])
-if test "$blp_is_sprintf_good" = yes; then
- AC_DEFINE([HAVE_GOOD_SPRINTF], 1,
- [Define if sprintf() returns the number of characters written
- to the destination string, excluding the null terminator.])
- AC_MSG_RESULT(yes)
-else
- AC_MSG_RESULT(no)
+ if test "$pspp_optional_prereqs" != ""; then
+ AC_MSG_WARN([The following optional prerequisites are not installed.
+You may wish to install them to obtain additional functionality:$pspp_optional_prereqs])
fi
-])dnl
+ if test "$pspp_required_prereqs" != ""; then
+ AC_MSG_ERROR([The following required prerequisites are not installed.
+You must install them before PSPP can be built:$pspp_required_prereqs])
+fi
+])
+
-dnl Check for proper random number generator.
+dnl Check that a new enough version of Perl is available.
+AC_DEFUN([PSPP_PERL],
+[
+ AC_PATH_PROG([PERL], perl, no)
+ AC_SUBST([PERL])dnl
+ if test "$PERL" != no && $PERL -e 'require 5.005_03;'; then :; else
+ PSPP_REQUIRED_PREREQ([Perl 5.005_03 (or later)])
+ fi
+])
-AC_DEFUN([BLP_RANDOM],
+dnl Check that libplot is available.
+AC_DEFUN([PSPP_LIBPLOT],
[
-AC_MSG_CHECKING(random number generator)
-AC_CACHE_VAL(blp_random_good,
- AC_TRY_COMPILE([#include <stdlib.h>], [int x=RAND_MAX;],
- blp_random_good=yes, blp_random_good=no))
-if test "$blp_random_good" = yes; then
- AC_DEFINE([HAVE_GOOD_RANDOM], 1,
- [Define if rand() and company work according to ANSI.])
- AC_MSG_RESULT(good)
-else
- AC_MSG_RESULT(bad)
-fi
-])dnl
+ AC_ARG_WITH(libplot, [ --without-libplot don't compile in support of charts (using libplot)])
+
+ if test x"$with_libplot" != x"no" ; then
+ # Check whether we can link against libplot without any extra libraries.
+ AC_CHECK_LIB(plot, pl_newpl_r, [LIBPLOT_LIBS="-lplot"])
+
+ # Check whether we can link against libplot if we also link X.
+ if test x"$LIBPLOT_LIBS" = x""; then
+ AC_PATH_XTRA
+ extra_libs="-lXaw -lXmu -lXt $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS -lm"
+ AC_CHECK_LIB(plot, pl_newpl_r,
+ [LIBPLOT_LIBS="-lplot $extra_libs"
+ LDFLAGS="$LDFLAGS $X_LIBS"],,
+ [$extra_libs])
+ fi
+
+ # Still can't link?
+ if test x"$LIBPLOT_LIBS" = x""; then
+ PSPP_REQUIRED_PREREQ([libplot (or use --without-libplot)])
+ fi
+
+ # Set up to make everything work.
+ LIBS="$LIBPLOT_LIBS $LIBS"
+ AC_DEFINE(HAVE_LIBPLOT, 1,
+ [Define to 1 if you have the `libplot' library (-lplot).])
+ 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)
+AC_DEFUN([PSPP_ENABLE_OPTION],
+[
+ m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-], [_])])dnl
+ AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name],
+ [pspp_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $1"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no])
+ CFLAGS="$pspp_save_CFLAGS"])
+ if test $pspp_cv_name = yes; then
+ CFLAGS="$CFLAGS $1"
+ fi
+])
dnl Check for readline and history libraries.
-dnl Modified for PSPP by Ben Pfaff, based on readline.m4 serial 3 from
+dnl Modified for PSPP, based on readline.m4 serial 3 from
dnl gnulib, which was written by Simon Josefsson, with help from Bruno
dnl Haible and Oskar Liljeblad.
if test "$gl_cv_lib_readline" = yes; then
AC_DEFINE(HAVE_READLINE, 1, [Define if you have the readline library.])
- fi
-
- if test "$gl_cv_lib_readline" = yes; then
AC_MSG_CHECKING([how to link with libreadline])
AC_MSG_RESULT([$LIBREADLINE])
else
LTLIBREADLINE=
LIBHISTORY=
LTLIBHISTORY=
+ PSPP_OPTIONAL_PREREQ([libreadline (which may itself require libncurses or libtermcap)])
fi
AC_SUBST(LIBREADLINE)
AC_SUBST(LTLIBREADLINE)
])
+dnl Check for build tools. Adapted from bfd library.
+
+AC_DEFUN([PSPP_CC_FOR_BUILD],
+[# Put a plausible default for CC_FOR_BUILD in Makefile.
+if test -z "$CC_FOR_BUILD"; then
+ if test "x$cross_compiling" = "xno"; then
+ CC_FOR_BUILD='$(CC)'
+ else
+ CC_FOR_BUILD=cc
+ fi
+fi
+AC_SUBST(CC_FOR_BUILD)
+# Also set EXEEXT_FOR_BUILD.
+if test "x$cross_compiling" = "xno"; then
+ EXEEXT_FOR_BUILD='$(EXEEXT)'
+else
+ AC_CACHE_CHECK([for build system executable suffix], pspp_cv_build_exeext,
+ [rm -f conftest*
+ echo 'int main () { return 0; }' > conftest.c
+ pspp_cv_build_exeext=
+ ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
+ for file in conftest.*; do
+ case $file in # (
+ *.c | *.o | *.obj | *.ilk | *.pdb) ;; # (
+ *) pspp_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
+ esac
+ done
+ rm -f conftest*
+ test x"${pspp_cv_build_exeext}" = x && pspp_cv_build_exeext=no])
+ EXEEXT_FOR_BUILD=""
+ test x"${pspp_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${pspp_cv_build_exeex
+t}
+fi
+AC_SUBST(EXEEXT_FOR_BUILD)])
+
dnl aclocal.m4 ends here
projects / pspp-builds.git / blobdiff