Compiling Bear on RHEL 8 Centos 8 - updated solution

[lukashino]

Hello, just wanted to drop a note for RHEL8 builds since the git diff patch provided in #305 does not work anymore. Following https://support.scitools.com/support/solutions/articles/70000647772-installing-rizsotto-bear-on-centos-rhel-8 helped me to get going.

Related but not useful: #352

Environment:

OS name: Linux
OS version: Oracle Linux Server release 8.10
OS architecture: x86_64
gcc version: gcc (GCC) 9.2.1 - installed with dnf -y install gcc-toolset-9-gcc gcc-toolset-9-gcc-c++ && source /opt/rh/gcc-toolset-9/enable
Bear version: 3.1.5
Bear install method: from sources

Here is the updated patch that worked for me on Bear 3.1.5:

diff --git a/source/bear/CMakeLists.txt b/source/bear/CMakeLists.txt
index ad0b114..e4c30c6 100644
--- a/source/bear/CMakeLists.txt
+++ b/source/bear/CMakeLists.txt
@@ -14,7 +14,8 @@ target_link_libraries(bear_a PUBLIC
         fmt::fmt
         citnames_a
         intercept_a
-        spdlog::spdlog)
+        spdlog::spdlog
+        stdc++fs)
 
 # Create an executable from the sub projects.
 add_executable(bear
diff --git a/source/citnames/CMakeLists.txt b/source/citnames/CMakeLists.txt
index 789ca50..c80ff8d 100644
--- a/source/citnames/CMakeLists.txt
+++ b/source/citnames/CMakeLists.txt
@@ -13,7 +13,8 @@ target_link_libraries(citnames_json_a PUBLIC
         sys_a
         fmt::fmt
         spdlog::spdlog
-        nlohmann_json::nlohmann_json)
+        nlohmann_json::nlohmann_json
+        stdc++fs)
 target_compile_options(citnames_json_a PRIVATE -fexceptions)
 
 # Create a static library, which is used for unit tests and the final shared library.
@@ -46,7 +47,8 @@ target_link_libraries(citnames_a PUBLIC
         sys_a
         exec_a
         fmt::fmt
-        spdlog::spdlog)
+        spdlog::spdlog
+        stdc++fs)
 
 include(GNUInstallDirs)
 
diff --git a/source/intercept/CMakeLists.txt b/source/intercept/CMakeLists.txt
index 99a897e..4e757ab 100644
--- a/source/intercept/CMakeLists.txt
+++ b/source/intercept/CMakeLists.txt
@@ -51,7 +51,8 @@ target_link_libraries(intercept_a PUBLIC
         rpc_a
         sys_a
         result_a
-        spdlog::spdlog)
+        spdlog::spdlog
+        stdc++fs)
 
 # Markdown file is the source to the man file. Please modify that and generate
 # the man file from it with pandoc.
@@ -82,7 +83,8 @@ target_link_libraries(wrapper_a PUBLIC
         result_a
         sys_a
         rpc_a
-        spdlog::spdlog)
+        spdlog::spdlog
+        stdc++fs)
 
 
 # Intercept report sender executable.
@@ -152,6 +154,7 @@ target_sources(exec_a PRIVATE
         source/report/libexec/Session.cc
         INTERFACE $<TARGET_OBJECTS:exec_a>)
 target_link_libraries(exec_a PUBLIC ${CMAKE_DL_LIBS} result_a)
+target_link_libraries(exec_a PUBLIC stdc++fs)
 set_target_properties(exec_a PROPERTIES
         LINKER_LANGUAGE "C"
         POSITION_INDEPENDENT_CODE 1)

Applying the patch:
Store it to a file and then do git apply

And then you do the usual:

cmake -DCMAKE_CXX_FLAGS=-std=c++17 -DENABLE_UNIT_TESTS=OFF -DENABLE_FUNC_TESTS=OFF $BEAR_SOURCE_DIR
make all -j10
sudo make install

[lukashino]

If there are no extra comments, the issue can be closed.