X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=acinclude.m4;h=4201e22b58c67012d73ece9280e538e35a8b79bb;hb=afbd9bcace01167e6e2d00031e523aa80e68a4fb;hp=aa6e4d77b3ea756eb24deb1d675b2de20a3b7964;hpb=009350385d97d9fba2b33ea68cfe8b1aeebf1529;p=pspp-builds.git diff --git a/acinclude.m4 b/acinclude.m4 index aa6e4d77..4201e22b 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -3,89 +3,105 @@ 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 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 + $1"]) +AC_DEFUN([PSPP_CHECK_PREREQS], [ -AC_MSG_CHECKING(number of digits in LONG_MIN (incl. sign)) -AC_CACHE_VAL(blp_int_digits, - [AC_TRY_RUN([#include - #include - int - main() - { - int len; - char s[80]; - sprintf(s, "%ld", LONG_MAX); - len = strlen(s); - sprintf(s, "%ld", LONG_MIN); - if(strlen(s)>len) len=strlen(s); - sprintf(s, "%lu", ULONG_MAX); - if(strlen(s)>len) len=strlen(s); - exit(len); - } - ], - eval "blp_int_digits=19", - eval "blp_int_digits=$?" - 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 - 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 && $PERL -e 'require 5.005_03;'; then :; else + PSPP_REQUIRED_PREREQ([Perl 5.005_03 (or later)]) + fi +]) -AC_DEFUN([BLP_RANDOM], +dnl Check that libplot is available. +AC_DEFUN([PSPP_LIBPLOT], [ -AC_MSG_CHECKING(random number generator) -AC_CACHE_VAL(blp_random_good, - AC_TRY_COMPILE([#include ], [int x=RAND_MAX;], - blp_random_good=yes, blp_random_good=no)) -if test "$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 + #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], +[ + 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 $1" + fi +]) dnl Check for readline and history libraries. -dnl Modified for PSPP by Ben Pfaff, based on readline.m4 serial 3 from +dnl Modified for PSPP, based on readline.m4 serial 3 from dnl gnulib, which was written by Simon Josefsson, with help from Bruno dnl Haible and Oskar Liljeblad. @@ -138,9 +154,6 @@ AC_DEFUN([PSPP_READLINE], if test "$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 @@ -151,9 +164,45 @@ AC_DEFUN([PSPP_READLINE], 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