-dnl $Id: aclocal.m4,v 1.120 2003/07/20 16:33:24 panne Exp $
-dnl
-dnl Extra autoconf macros for the Glasgow fptools
-dnl
-dnl To be a good autoconf citizen, names of local macros have
-dnl prefixed with FPTOOLS_ to ensure we don't clash
-dnl with any pre-supplied autoconf ones.
-
-dnl
-dnl Is timezone around? (in a header file)
-dnl
-AC_DEFUN(FPTOOLS_HAVE_TIMEZONE,
-[AC_CACHE_CHECK([timezone], fptools_cv_have_timezone,
-[AC_TRY_COMPILE([#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-], [return timezone;],
-fptools_cv_have_timezone=yes, fptools_cv_have_timezone=no)])
-if test "$fptools_cv_have_timezone" = yes; then
- AC_DEFINE(HAVE_TIMEZONE)
-fi
-])
-
-dnl
-dnl Has timezone the type time_t or long (HP-UX 10.20 apparently
-dnl has `long'..)
-dnl
-AC_DEFUN(FPTOOLS_TYPE_TIMEZONE,
-[AC_CACHE_CHECK([type of timezone], fptools_cv_type_timezone,
-[AC_TRY_COMPILE([#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-extern time_t timezone;
-],
-[int i;], fptools_cv_type_timezone=time_t, fptools_cv_type_timezone=long)])
-AC_DEFINE_UNQUOTED(TYPE_TIMEZONE, $fptools_cv_type_timezone)
-])
-
-dnl *** Is altzone available? ***
-dnl
-AC_DEFUN(FPTOOLS_ALTZONE,
-[AC_CACHE_CHECK([altzone], fptools_cv_altzone,
-[AC_TRY_LINK([#if TIME_WITH_SYS_TIME
+# Extra autoconf macros for the Glasgow fptools
+#
+# To be a good autoconf citizen, names of local macros have prefixed with FP_ to
+# ensure we don't clash with any pre-supplied autoconf ones.
+
+
+# FP_ALTZONE
+# -------------------
+# Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
+# Used by base package.
+AC_DEFUN([FP_ALTZONE],
+[AC_REQUIRE([AC_HEADER_TIME])dnl
+AC_CHECK_HEADERS([sys/time.h])
+AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# else
# include <time.h>
# endif
-#endif
-], [return altzone;],
-fptools_cv_altzone=yes, fptools_cv_altzone=no)])
-if test "$fptools_cv_altzone" = yes; then
- AC_DEFINE(HAVE_ALTZONE)
-fi
-])
-
-
-dnl *** Does libc contain GNU regex? ***
-dnl
-AC_DEFUN(FPTOOLS_REGEX_IN_LIBC,
-[AC_CACHE_CHECK([for GNU regex in libc], fptools_cv_have_regex,
-[AC_TRY_LINK([#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <regex.h>
-],[ struct re_pattern_buffer patbuf;
- re_compile_pattern("",0,&patbuf);
- re_search_2 (&patbuf, "", 0, "",0, 0,0,0,0); ],
-fptools_cv_have_regex=yes, fptools_cv_have_regex=no)])
-if test "$fptools_cv_have_regex" = yes; then
- HaveGNURegex=YES
-else
- HaveGNURegex=NO
-fi
-AC_SUBST(HaveGNURegex)
-])
+#endif])
+])# FP_ALTZONE
dnl ** check for leading underscores in symbol names
dnl to work around this by checking for *no* leading underscore first.
dnl Sigh. --SDM
dnl
+dnl Similarly on OpenBSD, but this test doesn't help. -- dons
+dnl
AC_DEFUN(FPTOOLS_UNDERSCORE,
[AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
changequote(<<, >>)dnl
<<
case $HostPlatform in
+*openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
+ case $build in
+ i386-*2\.[[0-9]] | i386-*3\.[[0-3]] ) fptools_cv_lead_uscore='yes' ;;
+ *) fptools_cv_lead_uscore='no' ;;
+ esac ;;
alpha-dec-osf*) fptools_cv_lead_uscore='no';;
*cygwin32) fptools_cv_lead_uscore='yes';;
*mingw32) fptools_cv_lead_uscore='yes';;
])
dnl
+dnl Check for Alex and version. If we're building GHC, then we need
+dnl at least Alex version 2.0. If there's no installed Alex, we look
+dnl for a alex source tree and point the build system at that instead.
+dnl
+AC_DEFUN(FPTOOLS_ALEX,
+[
+if test -d $srcdir/alex; then
+ SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
+fi
+if test x"$UseSrcTreeAlex" = xYES; then
+ AlexCmd=$SrcTreeAlexCmd
+else
+ AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
+fi
+AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
+changequote(, )dnl
+[if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
+ fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
+elif test x"$AlexCmd" != x; then
+ fptools_cv_alex_version="`$AlexCmd -v |
+ grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
+else
+ fptools_cv_alex_version="";
+fi;
+changequote([, ])dnl
+])
+dnl if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
+dnl FPTOOLS_PROG_CHECK_VERSION([$fptools_cv_alex_version],-lt,[2.0],
+dnl [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])dnl
+dnl fi
+AlexVersion=$fptools_cv_alex_version;
+AC_SUBST(AlexVersion)
+])
+
+dnl
dnl What's the best way of doing context diffs?
dnl
dnl (NB: NeXTStep thinks diff'ing a file against itself is "trouble")
# include <GL/gl.h>
#endif
+#ifdef HAVE_OPENGL_GL_H
+# include <OpenGL/gl.h>
+#endif
+
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
projects / ghc-hetmet.git / blobdiff