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guix/gnu/packages/patches/clamav-system-tomsfastmath.patch
Eric Bavier 0a41123f01
gnu: Add ClamAV.
* gnu/packages/antivirus.scm: New file.
* gnu/packages/patches/clamav-system-tomsfastmath.patch,
gnu/packages/patches/clamav-config-llvm-libs.patch: New files.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add new module.
(dist_patch_DATA): Add patches.

Co-authored-by: Christopher Baines <mail@cbaines.net>
2018-11-17 00:20:44 -06:00

102 lines
3.2 KiB
Diff

From 756ff89526b5ffaa7a4f49b1bbecf2ecbd6f85f9 Mon Sep 17 00:00:00 2001
From: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Date: Wed, 11 Mar 2015 20:03:15 +0100
Subject: add support for system tomsfastmath
Patch-Name: add-support-for-system-tomsfastmath.patch
---
configure.ac | 2 ++
libclamav/Makefile.am | 10 ++++++++--
libclamav/bignum.h | 6 +++++-
libclamav/xdp.c | 2 +-
m4/reorganization/libs/tomsfastmath.m4 | 12 ++++++++++++
5 files changed, 28 insertions(+), 4 deletions(-)
create mode 100644 m4/reorganization/libs/tomsfastmath.m4
--- a/configure.ac
+++ b/configure.ac
@@ -82,6 +82,7 @@ m4_include([m4/reorganization/libs/xml.m
m4_include([m4/reorganization/libs/openssl.m4])
m4_include([m4/reorganization/libs/json.m4])
m4_include([m4/reorganization/libs/pcre.m4])
+m4_include([m4/reorganization/libs/tomsfastmath.m4])
AM_MAINTAINER_MODE
m4_include([m4/reorganization/libs/libz.m4])
@@ -285,6 +286,7 @@ else
fi
CL_MSG_STATUS([yara ],[$enable_yara],[$enable_yara])
CL_MSG_STATUS([fts ],[yes],[$lfs_fts_msg])
+CL_MSG_STATUS([tomsfastmath],[yes],[$tomsfastmath_msg])
# Yep, downgrading the compiler avoids the bug too:
--- a/libclamav/Makefile.am
+++ b/libclamav/Makefile.am
@@ -496,8 +496,10 @@ libclamav_la_SOURCES += yara_arena.c \
yara_clam.h
endif
-libclamav_la_SOURCES += bignum.h\
- bignum_fast.h\
+libclamav_la_SOURCES += bignum.h
+
+if !SYSTEM_TOMSFASTMATH
+libclamav_la_SOURCES += bignum_fast.h\
tomsfastmath/addsub/fp_add.c\
tomsfastmath/addsub/fp_add_d.c\
tomsfastmath/addsub/fp_addmod.c\
@@ -579,6 +581,10 @@ libclamav_la_SOURCES += bignum.h\
tomsfastmath/sqr/fp_sqr_comba_generic.c\
tomsfastmath/sqr/fp_sqr_comba_small_set.c\
tomsfastmath/sqr/fp_sqrmod.c
+else
+libclamav_la_CFLAGS += $(TOMSFASTMATH_CFLAGS)
+libclamav_la_LIBADD += $(TOMSFASTMATH_LIBS)
+endif
.PHONY: version.h.tmp
version.c: version.h
--- a/libclamav/bignum.h
+++ b/libclamav/bignum.h
@@ -1,9 +1,13 @@
#ifndef BIGNUM_H_
#define BIGNUM_H_
+#if HAVE_SYSTEM_TOMSFASTMATH
+#include <tfm.h>
+#else
#define TFM_CHECK
-
#include "bignum_fast.h"
+#endif
+
typedef fp_int mp_int;
#define mp_cmp fp_cmp
#define mp_toradix_n(a,b,c,d) fp_toradix_n(a,b,c,d)
--- a/libclamav/xdp.c
+++ b/libclamav/xdp.c
@@ -57,7 +57,7 @@
#include "scanners.h"
#include "conv.h"
#include "xdp.h"
-#include "bignum_fast.h"
+#include "bignum.h"
#include "filetypes.h"
static char *dump_xdp(cli_ctx *ctx, const char *start, size_t sz);
--- /dev/null
+++ b/m4/reorganization/libs/tomsfastmath.m4
@@ -0,0 +1,12 @@
+dnl Check for system tomsfastmath
+PKG_CHECK_MODULES([TOMSFASTMATH], [tomsfastmath], [have_system_tomsfastmath=yes], [have_system_tomsfastmath=no])
+
+AM_CONDITIONAL([SYSTEM_TOMSFASTMATH], [test "x$have_system_tomsfastmath" = "xyes"])
+
+if test "x$have_system_tomsfastmath" = "xyes"; then
+ AC_DEFINE([HAVE_SYSTEM_TOMSFASTMATH], [1], [link against system-wide tomsfastmath library])
+ tomsfastmath_msg="External, $TOMSFASTMATH_CFLAGS $TOMSFASTMATH_LIBS"
+else
+ AC_DEFINE([HAVE_SYSTEM_TOMSFASTMATH], [0], [don't link against system-wide tomsfastmath library])
+ tomsfastmath_msg="Internal"
+fi