Standalone build examples + testing workflow updates (#15)

* Update examples to support standalone builds

* Tweak to ubuntu-focal-external workflow

- disable PAPI

* ubuntu focal external workflow update

- GCC 11
- Test static libgcc + static libstdcxx + strip
- ubuntu-toolchain-r/test

* Improve build-release.sh

- command line args for lto, strip, perfetto-tools,
   static-libgcc, static-libstdcxx, hidden-visibility,
   max-threads, parallel

* Update VERSION to 1.0.1

* Fixes to LTO build

* Updates to ubuntu-focal-external workflow

* build-release.sh update

- enable static libstdcxx by default

* disable python + static libstdcxx

* ubuntu-focal-external updates

* build-release.sh disable static libstdcxx by default

* cmake-format

examples/user-api/CMakeLists.txt

@@ -4,10 +4,12 @@ project(omnitrace-user-api LANGUAGES CXX)
 
 set(CMAKE_BUILD_TYPE "Debug")
 find_package(Threads REQUIRED)
+if(NOT TARGET omnitrace::omnitrace-user-library)
+    find_package(omnitrace REQUIRED COMPONENTS user)
+endif()
 add_executable(user-api user-api.cpp)
 target_link_libraries(user-api PRIVATE Threads::Threads omnitrace::omnitrace-user-library)
 
-if(NOT CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
-    set_target_properties(user-api PROPERTIES RUNTIME_OUTPUT_DIRECTORY
-                                              ${CMAKE_BINARY_DIR})
+if(NOT CMAKE_PROJECT_NAME STREQUAL "omnitrace")
+    install(TARGETS user-api DESTINATION bin)
 endif()