X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.in;h=4b5713ff2ddd7b63675dcce1f060df832900fa07;hb=33939049908879995854acac39c3c85e250d1f9a;hp=15e350a87dbef9bd978ca296259da0b373d8fb05;hpb=a4de2383ef0f0e919724bed3ce665b5402c69fe0;p=ghc-hetmet.git

diff --git a/configure.in b/configure.in
index 15e350a..4b5713f 100644
--- a/configure.in
+++ b/configure.in
@@ -443,22 +443,26 @@ 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 +470,20 @@ 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)
+
+#
 # 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