X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp-builds.git;a=blobdiff_plain;f=acinclude.m4;h=a3275a32afd4be6c3427deee8ef07b29b17258af;hp=61290a1802158861f1fbb736838f2c20a6e4690d;hb=HEAD;hpb=873165af1d9ae450483816b892aa17afd669a7c0 diff --git a/acinclude.m4 b/acinclude.m4 index 61290a18..a3275a32 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -1,13 +1,15 @@ -dnl Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc. +dnl Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl Prerequisites. -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 +dnl Summarize all the missing prerequisites at the end of the run to +dnl increase user-friendliness. +AC_DEFUN([PSPP_REQUIRED_PREREQ], + [AC_MSG_WARN([You must install $1 before building PSPP.]) +pspp_required_prereqs="$pspp_required_prereqs $1"]) AC_DEFUN([PSPP_OPTIONAL_PREREQ], [pspp_optional_prereqs="$pspp_optional_prereqs $1"]) @@ -37,7 +39,10 @@ AC_DEFUN([PSPP_PERL], dnl Check that libplot is available. AC_DEFUN([PSPP_LIBPLOT], [ - AC_ARG_WITH(libplot, [ --without-libplot don't compile in support of charts (using libplot)]) + AC_ARG_WITH( + libplot, + [AS_HELP_STRING([--without-libplot], + [don't compile in support of charts (using libplot)])]) if test x"$with_libplot" != x"no" ; then # Check whether we can link against libplot without any extra libraries. @@ -65,28 +70,10 @@ AC_DEFUN([PSPP_LIBPLOT], 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 - #include - 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], +dnl PSPP_CHECK_CC_OPTION([OPTION], [ACTION-IF-ACCEPTED], [ACTION-IF-REJECTED]) +dnl Check whether the given C compiler OPTION is accepted. +dnl If so, execute ACTION-IF-ACCEPTED, otherwise ACTION-IF-REJECTED. +AC_DEFUN([PSPP_CHECK_CC_OPTION], [ m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-], [_])])dnl AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name], @@ -95,10 +82,19 @@ AC_DEFUN([PSPP_ENABLE_OPTION], AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no]) CFLAGS="$pspp_save_CFLAGS"]) if test $pspp_cv_name = yes; then - CFLAGS="$CFLAGS $1" + m4_if([$2], [], [;], [$2]) + else + m4_if([$3], [], [:], [$3]) fi ]) +dnl PSPP_ENABLE_OPTION([OPTION]) +dnl Check whether the given 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], + [PSPP_CHECK_CC_OPTION([$1], [CFLAGS="$CFLAGS $1"])]) + dnl Check for readline and history libraries. dnl Modified for PSPP, based on readline.m4 serial 3 from @@ -118,7 +114,7 @@ AC_DEFUN([PSPP_READLINE], 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 $INCHISTORY]) @@ -136,11 +132,9 @@ AC_DEFUN([PSPP_READLINE], if test -n "$extra_lib"; then LIBS="$LIBS -l$extra_lib" fi - AC_TRY_LINK([#include + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include #include -#include ], - [readline((char*)0); add_history((char*)0);], - gl_cv_lib_readline=yes) +#include ]], [[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" @@ -222,4 +216,92 @@ AC_DEFUN([PSPP_LC_PAPER], fi ]) -dnl acinclude.m4 ends here + +# 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 . +# But skip the test when cross-compiling, to prevent problems like the one +# reported by Chris Johns in +# . +# +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]) + PSPP_CHECK_CC_OPTION( + [-fgnu89-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_MAX_INT(1,2);])], + [AC_LANG_SOURCE([#include + 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]) +]) + +AC_DEFUN([PSPP_CHECK_CLICKSEQUENCE], + [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO + AC_CACHE_CHECK([whether makeinfo supports @clicksequence], + [pspp_cv_have_clicksequence], + [cat > conftest.texi <&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD + eval "$MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD 2>&1" + retval=$? + echo "configure:__oline__: \$? = $retval" >&AS_MESSAGE_LOG_FD + if test $retval = 0; then + pspp_cv_have_clicksequence=yes + else + pspp_cv_have_clicksequence=no + fi + rm -f conftest.texi conftest.info]) + if test $pspp_cv_have_clicksequence = no; then + AM_MAKEINFOFLAGS="$AM_MAKEINFOFLAGS -DMISSING_CLICKSEQUENCE" + AC_SUBST([AM_MAKEINFOFLAGS]) + fi])