From 4f47d59d1e1fedca49b7341100654989fabbdb6a Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Fri, 4 Apr 2025 16:03:11 -0400
Subject: [PATCH] add support for compiling fully static LAMMPS executable with
 libcurl

---
 cmake/CMakeLists.txt | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index fd76e28941..2b19a609b0 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -518,9 +518,17 @@ endif()
 find_package(CURL QUIET)
 option(WITH_CURL "Enable libcurl support" ${CURL_FOUND})
 if(WITH_CURL)
-  find_package(CURL REQUIRED)
   target_compile_definitions(lammps PRIVATE -DLAMMPS_CURL)
-  target_link_libraries(lammps PRIVATE CURL::libcurl)
+
+  # need to use pkgconfig for fully static bins to find custom static libs
+  if (CMAKE_SYSTEM_NAME STREQUAL "LinuxMUSL")
+    include(FindPkgConfig)
+    pkg_check_modules(CURL IMPORTED_TARGET libcurl libssl libcrypto)
+    target_link_libraries(lammps PUBLIC PkgConfig::CURL)
+  else()
+    find_package(CURL REQUIRED)
+    target_link_libraries(lammps PRIVATE CURL::libcurl)
+  endif()
 endif()
 
 # tweak jpeg library names to avoid linker errors with MinGW cross-compilation