[#54] Link to libatomic on Linux

pgexporter · Jan 4, 2023 · 3effaa5 · 3effaa5
1 parent 6ede688
commit 3effaa5
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Showing 3 changed files with 30 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -78,6 +78,13 @@ else ()
 endif()
 
 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+  find_package(Libatomic)
+  if (LIBATOMIC_FOUND)
+    message(STATUS "libatomic found")
+  else ()
+    message(FATAL_ERROR "libatomic needed")
+  endif()
+
   find_package(Systemd)
   if (SYSTEMD_FOUND)
     message(STATUS "systemd found")

diff --git a/cmake/FindLibatomic.cmake b/cmake/FindLibatomic.cmake
@@ -0,0 +1,22 @@
+# - Try to find libatomic
+# Once done this will define
+#  LIBATOMIC_FOUND   - System has libatomic
+#  LIBATOMIC_LIBRARY - The library needed to use libatomic
+
+FIND_LIBRARY(LIBATOMIC_LIBRARY NAMES atomic atomic.so.1 libatomic.so.1
+  HINTS
+  /usr/local/lib64
+  /usr/local/lib
+  /opt/local/lib64
+  /opt/local/lib
+  /usr/lib64
+  /usr/lib
+  /lib64
+  /lib
+)
+
+IF (LIBATOMIC_LIBRARY)
+  SET(LIBATOMIC_FOUND TRUE)
+ELSE ()
+  SET(LIBATOMIC_FOUND FALSE)
+ENDIF ()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -34,6 +34,7 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     ${OPENSSL_SSL_LIBRARY}
     ${SYSTEMD_LIBRARIES}
     ${LIBYAML_LIBRARIES}
+    ${LIBATOMIC_LIBRARY}
   )
 
   set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")