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-rw-r--r--libraries/integer-gmp/configure.ac28
1 files changed, 4 insertions, 24 deletions
diff --git a/libraries/integer-gmp/configure.ac b/libraries/integer-gmp/configure.ac
index c99f9883e6..d7c0b3e9ac 100644
--- a/libraries/integer-gmp/configure.ac
+++ b/libraries/integer-gmp/configure.ac
@@ -1,5 +1,8 @@
AC_INIT([Haskell integer (GMP)], [0.1], [libraries@haskell.org], [integer])
+# Safety check: Ensure that we are in the correct source directory.
+AC_CONFIG_SRCDIR([cbits/mkGmpDerivedConstants.c])
+
AC_CANONICAL_TARGET
AC_ARG_WITH([cc],
@@ -63,30 +66,7 @@ AC_SUBST(GMP_FRAMEWORK)
AC_SUBST(HaveLibGmp)
AC_SUBST(HaveFrameworkGMP)
-dnl GMP_INT_TO_CONST(int_expr, var_name)
-AC_DEFUN([GMP_INT_TO_VAR],
-[
- AC_MSG_CHECKING([for $1 size])
- AC_COMPUTE_INT([$2], [$1],[[#include <stdio.h>
-#include <stddef.h>
-#include "gmp.h"
-
-#define FIELD_OFFSET(s_type, field) offsetof(s_type, field)
-#define FIELD_SIZE_BITS(s_type, field) (unsigned long)sizeof (__typeof__(((((s_type*)0)->field)))) * 8
-]], AC_MSG_ERROR([Failed to compute size of $1]))
- AC_MSG_RESULT($$2)
- AC_SUBST($2)
-])
-
-GMP_INT_TO_VAR([[sizeof (MP_INT)]], [SIZEOF_MP_INT])
-GMP_INT_TO_VAR([[FIELD_OFFSET(MP_INT,_mp_alloc)]], [OFFSET_MP_INT__mp_alloc])
-GMP_INT_TO_VAR([[FIELD_SIZE_BITS(MP_INT,_mp_alloc)]], [REP_MP_INT__mp_alloc])
-GMP_INT_TO_VAR([[FIELD_OFFSET(MP_INT,_mp_size)]], [OFFSET_MP_INT__mp_size])
-GMP_INT_TO_VAR([[FIELD_SIZE_BITS(MP_INT,_mp_size)]], [REP_MP_INT__mp_size])
-GMP_INT_TO_VAR([[FIELD_OFFSET(MP_INT,_mp_d)]], [OFFSET_MP_INT__mp_d])
-GMP_INT_TO_VAR([[FIELD_SIZE_BITS(MP_INT,_mp_d)]], [REP_MP_INT__mp_d])
-
-AC_CONFIG_FILES([integer-gmp.buildinfo gmp/config.mk cbits/GmpDerivedConstants.h])
+AC_CONFIG_FILES([integer-gmp.buildinfo gmp/config.mk])
dnl--------------------------------------------------------------------
dnl * Generate the header cbits/GmpDerivedConstants.h