From c305d4867507edd9b2760ac399f99fe740b4e62f Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Fri, 2 Feb 2024 15:32:28 -0500
Subject: [PATCH 1/2] Updates to enable jemalloc build

This PR has updates necessary to build GEOS with jemalloc. It adds an option
`USE_JEMALLOC` that by default is `OFF`.
---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90e5f63b..3a4d2239 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Add `FindJeMalloc.cmake` for use with builds of GEOSgcm
+
 ### Changed
 
 - Update CI to v2 orb

From 7a0b7ea85cb1d6fc4e1893993df35adee217387e Mon Sep 17 00:00:00 2001
From: Matthew Thompson <matthew.thompson@nasa.gov>
Date: Mon, 5 Feb 2024 12:51:33 -0500
Subject: [PATCH 2/2] Commit the actual file

---
 external_libraries/FindJeMalloc.cmake | 29 +++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 external_libraries/FindJeMalloc.cmake

diff --git a/external_libraries/FindJeMalloc.cmake b/external_libraries/FindJeMalloc.cmake
new file mode 100644
index 00000000..2e50a822
--- /dev/null
+++ b/external_libraries/FindJeMalloc.cmake
@@ -0,0 +1,29 @@
+# - Find JeMalloc library
+# Find the native JeMalloc includes and library
+#
+# JeMalloc_INCLUDE_DIRS - where to find jemalloc.h, etc.
+# JeMalloc_LIBRARIES - List of libraries when using jemalloc.
+# JeMalloc_FOUND - True if jemalloc found.
+
+find_path(JeMalloc_INCLUDE_DIRS
+  NAMES jemalloc/jemalloc.h
+  HINTS ${JEMALLOC_ROOT_DIR}/include ENV JEMALLOC_INCLUDE_DIR)
+
+find_library(JeMalloc_LIBRARIES
+  NAMES jemalloc
+  HINTS ${JEMALLOC_ROOT_DIR}/lib ENV JEMALLOC_LIB_DIR)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(JeMalloc DEFAULT_MSG JeMalloc_LIBRARIES JeMalloc_INCLUDE_DIRS)
+
+mark_as_advanced(
+  JeMalloc_LIBRARIES
+  JeMalloc_INCLUDE_DIRS)
+
+if(JeMalloc_FOUND AND NOT (TARGET JeMalloc::JeMalloc))
+  add_library (JeMalloc::JeMalloc UNKNOWN IMPORTED)
+  set_target_properties(JeMalloc::JeMalloc
+    PROPERTIES
+      IMPORTED_LOCATION ${JeMalloc_LIBRARIES}
+      INTERFACE_INCLUDE_DIRECTORIES ${JeMalloc_INCLUDE_DIRS})
+endif()