Revert "gnu: snappy: Optimise."

This causes too many rebuilds for the master branch.

This reverts commit f96ed06805.

gnu/local.mk

@@ -1140,7 +1140,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/slim-sigusr1.patch			\
   %D%/packages/patches/slim-reset.patch				\
   %D%/packages/patches/slim-login.patch				\
-  %D%/packages/patches/snappy-add-O2-flag-in-CmakeLists.txt.patch	\
   %D%/packages/patches/sooperlooper-build-with-wx-30.patch 	\
   %D%/packages/patches/soundtouch-CVE-2018-14044-14045.patch 	\
   %D%/packages/patches/soundtouch-CVE-2018-1000223.patch 	\

gnu/packages/compression.scm

@@ -1154,15 +1154,14 @@ algorithm within the Numpy framework.")
   (package
     (name "snappy")
     (version "1.1.7")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/google/snappy/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append "snappy-" version ".tar.gz"))
-       (sha256
-        (base32 "1m7rcdqzkys5lspj8jcsaah8w33zh28s771bw0ga2lgzfgl05yix"))
-       (patches (search-patches "snappy-add-O2-flag-in-CmakeLists.txt.patch"))))
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/google/snappy/archive/"
+                                  version ".tar.gz"))
+              (file-name (string-append "snappy-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1m7rcdqzkys5lspj8jcsaah8w33zh28s771bw0ga2lgzfgl05yix"))))
     (build-system cmake-build-system)
     (arguments
      `(#:configure-flags '("-DBUILD_SHARED_LIBS=ON")))

gnu/packages/patches/snappy-add-O2-flag-in-CmakeLists.txt.patch

@@ -1,36 +0,0 @@
-From: Tobias Geerinckx-Rice <me@tobias.gr>
-Date: Sun, 26 Aug 2018 17:24:42 +0200
-Subject: [PATCH] snappy: Add O2 flag in CmakeLists.txt.
-
-Use ‘-O2’ optimisation when building with CMake, as is already done when
-using the Makefile. This patch was copied verbatim from the Snappy
-mailing list[0].
-
-[0]: <snappy-compression@googlegroups.com>
-
-From 903c72fb29b2db07b4abc38a5feb83d88f739d80 Mon Sep 17 00:00:00 2001
-From: huangwenjun <huangwenjun-hf@loongson.cn>
-Date: Fri, 10 Aug 2018 17:17:35 +0800
-Subject: [PATCH] Add O2 optimize flag in CmakeLists.txt.
-
----
- CMakeLists.txt | 3 +++
- 1 file changed, 3 insertions(+)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 62ecd09..29e0cdc 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -6,6 +6,9 @@ set(CMAKE_CXX_STANDARD 11)
- set(CMAKE_CXX_STANDARD_REQUIRED ON)
- set(CMAKE_CXX_EXTENSIONS OFF)
- 
-+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
-+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
-+
- # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make
- # it prominent in the GUI.
- option(BUILD_SHARED_LIBS "Build shared libraries(DLLs)." OFF)
--- 
-2.1.0
-