[OE-core] [PATCH] nettle: Modify configure script to get consistent build.

[Haiqing Bai]

The original configure script detects the header files
of openssl to set variable like 'HAVE_OPENSSL_AES_H' in
config.h and ignore the value of '--enable-openssl', this
may cause inconsistent build.

Signed-off-by: Haiqing Bai <Haiqing.Bai at windriver.com>
---
 ...k-header-files-of-openssl-only-if-enable_.patch | 38 ++++++++++++++++++++++
 ...k-header-files-of-openssl-only-if-enable_.patch | 38 ++++++++++++++++++++++
 meta/recipes-support/nettle/nettle_2.7.1.bb        |  1 +
 meta/recipes-support/nettle/nettle_3.3.bb          |  4 +++
 4 files changed, 81 insertions(+)
 create mode 100644 meta/recipes-support/nettle/nettle-2.7.1/check-header-files-of-openssl-only-if-enable_.patch
 create mode 100644 meta/recipes-support/nettle/nettle-3.3/check-header-files-of-openssl-only-if-enable_.patch

diff --git a/meta/recipes-support/nettle/nettle-2.7.1/check-header-files-of-openssl-only-if-enable_.patch b/meta/recipes-support/nettle/nettle-2.7.1/check-header-files-of-openssl-only-if-enable_.patch
new file mode 100644
index 0000000..38d9107
--- /dev/null
+++ b/meta/recipes-support/nettle/nettle-2.7.1/check-header-files-of-openssl-only-if-enable_.patch
@@ -0,0 +1,38 @@
+From c369dd7049f5a198f8b6c96fde6e294ce5146c2f Mon Sep 17 00:00:00 2001
+From: Haiqing Bai <Haiqing.Bai at windriver.com>
+Date: Fri, 9 Dec 2016 16:16:45 +0800
+Subject: [PATCH] nettle: check header files of openssl only if
+ 'enable_openssl=yes'.
+
+The original configure script checks openssl header files to generate
+config.h even if 'enable_openssl' is not set to yes, this made inconsistent
+building for nettle.
+
+Upstream-Status: Pending
+Signed-off-by: Haiqing Bai <Haiqing.Bai at windriver.com>
+---
+ configure.ac | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 78a3d4e..4f16a98 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -603,9 +603,11 @@ AC_CHECK_ALIGNOF(uint64_t)
+ ALIGNOF_UINT64_T="$ac_cv_alignof_uint64_t"
+ AC_SUBST(ALIGNOF_UINT64_T)
+ 
+-AC_CHECK_HEADERS([openssl/blowfish.h openssl/des.h openssl/cast.h openssl/aes.h],,
+-[enable_openssl=no
+- break])
++if test "x$enable_openssl" = "xyes"; then
++  AC_CHECK_HEADERS([openssl/blowfish.h openssl/des.h openssl/cast.h openssl/aes.h],,
++  [enable_openssl=no
++  break])
++fi
+ 
+ LSH_FUNC_ALLOCA
+ LSH_FUNC_STRERROR
+-- 
+1.9.1
+
diff --git a/meta/recipes-support/nettle/nettle-3.3/check-header-files-of-openssl-only-if-enable_.patch b/meta/recipes-support/nettle/nettle-3.3/check-header-files-of-openssl-only-if-enable_.patch
new file mode 100644
index 0000000..e7216ba
--- /dev/null
+++ b/meta/recipes-support/nettle/nettle-3.3/check-header-files-of-openssl-only-if-enable_.patch
@@ -0,0 +1,38 @@
+From ffee6b5f6204a0210f717968ec6ce514d70acca1 Mon Sep 17 00:00:00 2001
+From: Haiqing Bai <Haiqing.Bai at windriver.com>
+Date: Fri, 9 Dec 2016 15:23:17 +0800
+Subject: [PATCH] nettle: check header files of openssl only if
+ 'enable_openssl=yes'.
+
+The original configure script checks openssl header files to generate
+config.h even if 'enable_openssl' is not set to yes, this made inconsistent
+building for nettle.
+
+Upstream-Status: Pending
+Signed-off-by: Haiqing Bai <Haiqing.Bai at windriver.com>
+---
+ configure.ac | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 4ead52c..982760f 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -185,9 +185,11 @@ AC_HEADER_TIME
+ AC_CHECK_SIZEOF(long)
+ AC_CHECK_SIZEOF(size_t)
+ 
+-AC_CHECK_HEADERS([openssl/blowfish.h openssl/des.h openssl/cast.h openssl/aes.h openssl/ecdsa.h],,
+-[enable_openssl=no
+- break])
++if test "x$enable_openssl" = "xyes"; then
++  AC_CHECK_HEADERS([openssl/blowfish.h openssl/des.h openssl/cast.h openssl/aes.h openssl/ecdsa.h],,
++  [enable_openssl=no
++  break])
++fi
+ 
+ AC_CHECK_HEADERS([valgrind/memcheck.h])
+ 
+-- 
+1.9.1
+
diff --git a/meta/recipes-support/nettle/nettle_2.7.1.bb b/meta/recipes-support/nettle/nettle_2.7.1.bb
index ae8e311..2006146 100644
--- a/meta/recipes-support/nettle/nettle_2.7.1.bb
+++ b/meta/recipes-support/nettle/nettle_2.7.1.bb
@@ -13,6 +13,7 @@ SRC_URI[sha256sum] = "bc71ebd43435537d767799e414fce88e521b7278d48c860651216e1fc6
 SRC_URI += "\
             file://CVE-2015-8803_8805.patch \
             file://CVE-2015-8804.patch \
+            file://check-header-files-of-openssl-only-if-enable_.patch \
             "
 
 DISABLE_STATIC = ""
diff --git a/meta/recipes-support/nettle/nettle_3.3.bb b/meta/recipes-support/nettle/nettle_3.3.bb
index c723e27..b76babf 100644
--- a/meta/recipes-support/nettle/nettle_3.3.bb
+++ b/meta/recipes-support/nettle/nettle_3.3.bb
@@ -7,5 +7,9 @@ LIC_FILES_CHKSUM = "file://COPYING.LESSERv3;md5=6a6a8e020838b23406c81b19c1d46df6
                     file://serpent-decrypt.c;beginline=14;endline=36;md5=ca0d220bc413e1842ecc507690ce416e \
                     file://serpent-set-key.c;beginline=14;endline=36;md5=ca0d220bc413e1842ecc507690ce416e"
 
+SRC_URI += "\
+            file://check-header-files-of-openssl-only-if-enable_.patch \
+            "
+
 SRC_URI[md5sum] = "10f969f78a463704ae73529978148dbe"
 SRC_URI[sha256sum] = "46942627d5d0ca11720fec18d81fc38f7ef837ea4197c1f630e71ce0d470b11e"
-- 
1.9.1