gnu: Add benchmark.

* gnu/packages/benchmark.scm(benchmark): New variable.
* gnu/packages/patches/benchmark-unbundle-googletest.patch: New file.
* gnu/local.mk(dist_patch_DATA): Add it.

1 files changed, 69 insertions, 0 deletions

diff --git a/gnu/packages/patches/benchmark-unbundle-googletest.patch b/gnu/packages/patches/benchmark-unbundle-googletest.patch
new file mode 100644
index 0000000000..4dce8f59f1
--- /dev/null
+++ b/gnu/packages/patches/benchmark-unbundle-googletest.patch
@@ -0,0 +1,69 @@
+From 5eb306618196ea78b8c9390e22ea2edce20760fe Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?G=C3=A1bor=20Boskovits?= <boskovits@gmail.com>
+Date: Fri, 14 Jun 2019 22:15:49 +0200
+Subject: [PATCH] Remove googletest lookup from build system.
+
+---
+ cmake/GoogleTest.cmake    | 18 +++++++++---------
+ cmake/GoogleTest.cmake.in | 12 ++++++------
+ 2 files changed, 15 insertions(+), 15 deletions(-)
+
+diff --git a/cmake/GoogleTest.cmake b/cmake/GoogleTest.cmake
+index fb7c6be..a6c473b 100644
+--- a/cmake/GoogleTest.cmake
++++ b/cmake/GoogleTest.cmake
+@@ -27,15 +27,15 @@ endif()
+ # settings on Windows
+ set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+ 
+-include(${GOOGLETEST_PREFIX}/googletest-paths.cmake)
++#include(${GOOGLETEST_PREFIX}/googletest-paths.cmake)
+ 
+ # Add googletest directly to our build. This defines
+ # the gtest and gtest_main targets.
+-add_subdirectory(${GOOGLETEST_SOURCE_DIR}
+-                 ${GOOGLETEST_BINARY_DIR}
+-                 EXCLUDE_FROM_ALL)
+-
+-set_target_properties(gtest PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gtest,INTERFACE_INCLUDE_DIRECTORIES>)
+-set_target_properties(gtest_main PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gtest_main,INTERFACE_INCLUDE_DIRECTORIES>)
+-set_target_properties(gmock PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gmock,INTERFACE_INCLUDE_DIRECTORIES>)
+-set_target_properties(gmock_main PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gmock_main,INTERFACE_INCLUDE_DIRECTORIES>)
++#add_subdirectory(${GOOGLETEST_SOURCE_DIR}
++#                 ${GOOGLETEST_BINARY_DIR}
++#                 EXCLUDE_FROM_ALL)
++
++#set_target_properties(gtest PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gtest,INTERFACE_INCLUDE_DIRECTORIES>)
++#set_target_properties(gtest_main PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gtest_main,INTERFACE_INCLUDE_DIRECTORIES>)
++#set_target_properties(gmock PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gmock,INTERFACE_INCLUDE_DIRECTORIES>)
++#set_target_properties(gmock_main PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:gmock_main,INTERFACE_INCLUDE_DIRECTORIES>)
+diff --git a/cmake/GoogleTest.cmake.in b/cmake/GoogleTest.cmake.in
+index 28818ee..13b0888 100644
+--- a/cmake/GoogleTest.cmake.in
++++ b/cmake/GoogleTest.cmake.in
+@@ -31,7 +31,7 @@ if(EXISTS "${GOOGLETEST_PATH}"            AND IS_DIRECTORY "${GOOGLETEST_PATH}"
+   )
+ else()
+   if(NOT ALLOW_DOWNLOADING_GOOGLETEST)
+-    message(SEND_ERROR "Did not find Google Test sources! Either pass correct path in GOOGLETEST_PATH, or enable ALLOW_DOWNLOADING_GOOGLETEST, or disable BENCHMARK_ENABLE_GTEST_TESTS / BENCHMARK_ENABLE_TESTING.")
++    message(WARNING "Did not find Google Test sources! Either pass correct path in GOOGLETEST_PATH, or enable ALLOW_DOWNLOADING_GOOGLETEST, or disable BENCHMARK_ENABLE_GTEST_TESTS / BENCHMARK_ENABLE_TESTING.")
+   else()
+     message(WARNING "Did not find Google Test sources! Fetching from web...")
+     ExternalProject_Add(
+@@ -51,8 +51,8 @@ else()
+   endif()
+ endif()
+ 
+-ExternalProject_Get_Property(googletest SOURCE_DIR BINARY_DIR)
+-file(WRITE googletest-paths.cmake
+-"set(GOOGLETEST_SOURCE_DIR \"${SOURCE_DIR}\")
+-set(GOOGLETEST_BINARY_DIR \"${BINARY_DIR}\")
+-")
++#ExternalProject_Get_Property(googletest SOURCE_DIR BINARY_DIR)
++#file(WRITE googletest-paths.cmake
++#"set(GOOGLETEST_SOURCE_DIR \"${SOURCE_DIR}\")
++#set(GOOGLETEST_BINARY_DIR \"${BINARY_DIR}\")
++#")
+-- 
+2.22.0
+