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"
fi
])
+
+# PSPP_LINK2_IFELSE(SOURCE1, SOURCE2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
+# -------------------------------------------------------------
+# Based on AC_LINK_IFELSE, but tries to link both SOURCE1 and SOURCE2
+# into a program.
+#
+# Test that resulting file is executable; see the problem reported by mwoehlke
+# in <http://lists.gnu.org/archive/html/bug-coreutils/2006-10/msg00048.html>.
+# But skip the test when cross-compiling, to prevent problems like the one
+# reported by Chris Johns in
+# <http://lists.gnu.org/archive/html/autoconf/2007-03/msg00085.html>.
+#
+m4_define([PSPP_LINK2_IFELSE],
+[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
+mv conftest.$ac_ext conftest1.$ac_ext
+m4_ifvaln([$2], [AC_LANG_CONFTEST([$2])])dnl
+mv conftest.$ac_ext conftest2.$ac_ext
+rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
+pspp_link2='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest1.$ac_ext conftest2.$ac_ext $LIBS >&5'
+AS_IF([_AC_DO_STDERR($pspp_link2) && {
+ test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ AS_TEST_X([conftest$ac_exeext])
+ }],
+ [$3],
+ [echo "$as_me: failed source file 1 of 2 was:" >&5
+sed 's/^/| /' conftest1.$ac_ext >&5
+echo "$as_me: failed source file 2 of 2 was:" >&5
+sed 's/^/| /' conftest2.$ac_ext >&5
+ $4])
+dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization)
+dnl information created by the PGI compiler (conftest_ipa8_conftest.oo),
+dnl as it would interfere with the next link command.
+rm -rf conftest.dSYM conftest1.dSYM conftest2.dSYM
+rm -f core conftest.err conftest1.err conftest2.err
+rm -f conftest1.$ac_objext conftest2.$ac_objext conftest*_ipa8_conftest*.oo
+rm -f conftest$ac_exeext
+rm -f m4_ifval([$1], [conftest1.$ac_ext]) m4_ifval([$2], [conftest1.$ac_ext])[]dnl
+])# PSPP_LINK2_IFELSE
+
+# GSL uses "extern inline" without determining whether the compiler uses
+# GCC inline rules or C99 inline rules. If it uses the latter then GSL
+# will be broken without passing -fgnu89-inline to GCC.
+AC_DEFUN([PSPP_GSL_NEEDS_FGNU89_INLINE],
+[# GSL only uses "inline" at all if HAVE_INLINE is defined as a macro.
+ # In turn, gnulib's gl_INLINE is one macro that does that. We need to
+ # make sure that it has run by the time we run this test, otherwise we'll
+ # get a false result.
+ AC_REQUIRE([gl_INLINE])
+ AC_CACHE_CHECK([whether GSL needs -fgnu89-inline to link],
+ pspp_cv_gsl_needs_fgnu89_inline, [
+ PSPP_LINK2_IFELSE(
+ [AC_LANG_PROGRAM([#include <gsl/gsl_math.h>
+ ], [GSL_MAX_INT(1,2);])],
+ [AC_LANG_SOURCE([#include <gsl/gsl_math.h>
+ void x (void) {}])],
+ [pspp_cv_gsl_needs_fgnu89_inline=no],
+ [pspp_cv_gsl_needs_fgnu89_inline=yes])])
+ if test "$pspp_cv_gsl_needs_fgnu89_inline" = "yes"; then
+ CFLAGS="$CFLAGS -fgnu89-inline"
+ fi
+])
dnl acinclude.m4 ends here
projects / pspp-builds.git / blobdiff