X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.in;h=28acfda378e273f4314e42b69e09dfc0ad5267f0;hb=2cb14ad4aee97ab6c59a73ccab805ce6753b3db5;hp=15e350a87dbef9bd978ca296259da0b373d8fb05;hpb=a4de2383ef0f0e919724bed3ce665b5402c69fe0;p=ghc-hetmet.git

diff --git a/configure.in b/configure.in
index 15e350a..28acfda 100644
--- a/configure.in
+++ b/configure.in
@@ -281,6 +281,19 @@ dnl AC_SUBST(TargetVendor_CPP)
 
 AC_SUBST(exeext)
 
+dnl * Booting from .hc files?
+#--------------------------------------------------------------
+AC_ARG_ENABLE(hc-boot,
+   [
+Boot the Glasgow Haskell Compiler from intermediate .hc files.
+(This option is mostly of interest for porters.)
+   ],
+
+   BootingFromHc=YES,
+   BootingFromHc=NO
+)
+AC_SUBST(BootingFromHc)
+
 # -------------------------------------------------------------------------
 dnl
 dnl * _GENERAL_ CONFIGURATION CHECKS
@@ -399,24 +412,12 @@ fi
 AC_SUBST(CompressCmd)
 AC_SUBST(CompressSuffix)
 
-#
+dnl
 dnl ** check for installed happy binary + version
-#
+dnl    (don't do it if we're booting from .hc files though.)
+if (test "$BootingFromHc" = "NO"); then
 AC_HAPPY
-
-if test x"$HappyCmd" != x; then
-   if expr $HappyVersion \< "1.3" >/dev/null; then
-	echo "   Happy Version 1.3 or later is required to compile GHC."
-	echo "   Using the Happy sources in the tree.";
-	HappyCmd=""
-   fi
-fi
-
-#
-#
-dnl ** check for installed lx binary
-#
-AC_PATH_PROG(LxCmd,lx)
+fi;
 
 #### program checking section ends here ####
 
@@ -431,7 +432,7 @@ AC_HEADER_STDC
 #
 dnl ** check for specific header (.h) files that we are interested in
 #
-AC_CHECK_HEADERS(dirent.h fcntl.h grp.h malloc.h memory.h nlist.h pwd.h siginfo.h signal.h stdlib.h string.h sys/fault.h sys/file.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/utsname.h sys/vadvise.h sys/wait.h termios.h time.h types.h unistd.h utime.h vfork.h readline/readline.h )
+AC_CHECK_HEADERS(dirent.h fcntl.h grp.h malloc.h memory.h nlist.h pwd.h siginfo.h signal.h stdlib.h string.h sys/fault.h sys/file.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/utsname.h sys/vadvise.h sys/wait.h termios.h time.h types.h unistd.h utime.h vfork.h readline/readline.h bfd.h)
 
 #
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
@@ -443,22 +444,26 @@ dnl ** how do we get a timezone name, and UTC offset ?
 AC_STRUCT_TIMEZONE
 
 # 
-dnl what's the type of timezone?
+dnl ** what's the type of timezone?
 AC_TYPE_TIMEZONE
 
 #
-dnl do we have altzone?
+dnl ** do we have altzone?
 AC_ALTZONE
 
-#
-dnl do we have the GNU libc?
-AC_GNU_LIBC
+dnl ** what are the sizes of various types
+dnl    (these must come before GHC_CHECK_ALIGNMENT)
+AC_CHECK_SIZEOF(unsigned int,4)
+AC_CHECK_SIZEOF(float,       4)
+AC_CHECK_SIZEOF(double,      8)
+AC_CHECK_SIZEOF(long,        4)
+AC_CHECK_SIZEOF(void *,      4)
 
-#
-dnl define uint, ulong and ullong if not already defined
-AC_CHECK_TYPE(uint,unsigned int)
-AC_CHECK_TYPE(ulong,unsigned long)
-AC_CHECK_TYPE(ullong,unsigned long long)
+dnl ** what are alignment constraints on various types
+GHC_CHECK_ALIGNMENT(unsigned int) dnl redundant but harmless
+GHC_CHECK_ALIGNMENT(long)
+GHC_CHECK_ALIGNMENT(float)
+GHC_CHECK_ALIGNMENT(double)
 
 #
 dnl ** check for specific library functions that we are interested in
@@ -466,12 +471,27 @@ dnl ** check for specific library functions that we are interested in
 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect setitimer stat sysconf timelocal times vadvise vfork)
 
 #
+dnl ** check whether this machine has GMP 2.0 installed
+#
+AC_CHECK_LIB(gmp, mpz_fdiv_qr, HaveLibGmp=YES, HaveLibGmp=NO)
+AC_SUBST(HaveLibGmp)
+
+#
+dnl ** check whether this machine has BFD and liberty installed (used for debugging)
+dnl ** the order of these tests matters: bfd needs liberty
+#
+AC_CHECK_LIB(iberty, xmalloc)
+AC_CHECK_LIB(bfd,    bfd_init)
+
+#
 # Misc
 #
 dnl ** can we get alloca?
 AC_FUNC_ALLOCA
 dnl ** determine whether or not const works
 AC_C_CONST
+dnl ** are we big endian?
+AC_C_BIGENDIAN
 dnl ** determine the type of signal()
 AC_TYPE_SIGNAL