vendor old get_lammps_version

Author: njzjz

source/lmp/builtin.cmake

@@ -5,7 +5,31 @@
 # assume LAMMPS CMake file has been executed, so these target/variables exist:
 # lammps LAMMPS_SOURCE_DIR get_lammps_version
 
-get_lammps_version(${LAMMPS_SOURCE_DIR}/version.h LAMMPS_VERSION_NUMBER)
+# Since May 15, 2025, the output of get_lammps_version is changed.
+# We vendor the old get_lammps_version
+# https://github.com/lammps/lammps/commit/b3e7121535863df3db487cd3e6a68c080bf2a6b4#diff-1214db0d1c015a50103f61f8ff7896053dec7ebc1edb930d6ef8bb07282f52abR75
+function(_get_lammps_version version_header variable)
+    file(STRINGS ${version_header} line REGEX LAMMPS_VERSION)
+    set(MONTHS x Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec)
+    string(REGEX REPLACE "#define LAMMPS_VERSION \"([0-9]+) ([A-Za-z]+) ([0-9]+)\"" "\\1" day "${line}")
+    string(REGEX REPLACE "#define LAMMPS_VERSION \"([0-9]+) ([A-Za-z]+) ([0-9]+)\"" "\\2" month "${line}")
+    string(REGEX REPLACE "#define LAMMPS_VERSION \"([0-9]+) ([A-Za-z]+) ([0-9]+)\"" "\\3" year "${line}")
+    string(STRIP ${day} day)
+    string(STRIP ${month} month)
+    string(STRIP ${year} year)
+    list(FIND MONTHS "${month}" month)
+    string(LENGTH ${day} day_length)
+    string(LENGTH ${month} month_length)
+    if(day_length EQUAL 1)
+        set(day "0${day}")
+    endif()
+    if(month_length EQUAL 1)
+        set(month "0${month}")
+    endif()
+    set(${variable} "${year}${month}${day}" PARENT_SCOPE)
+endfunction()
+
+_get_lammps_version(${LAMMPS_SOURCE_DIR}/version.h LAMMPS_VERSION_NUMBER)
 
 configure_file("${CMAKE_CURRENT_LIST_DIR}/deepmd_version.h.in"
                "${CMAKE_CURRENT_BINARY_DIR}/deepmd_version.h" @ONLY)

source/lmp/plugin/CMakeLists.txt

@@ -38,8 +38,33 @@ if(DEFINED LAMMPS_SOURCE_ROOT OR DEFINED LAMMPS_VERSION)
 
   # get_lammps_version
   # https://github.com/lammps/lammps/blob/c2a12f97c5f665852fb38fdd4922f7dd2e77a0a1/cmake/Modules/LAMMPSUtils.cmake#L27-L46
-  include(${LAMMPS_SOURCE_ROOT}/cmake/Modules/LAMMPSUtils.cmake)
-  get_lammps_version(${LAMMPS_HEADER_DIR}/version.h LAMMPS_VERSION_NUMBER)
+  # include(${LAMMPS_SOURCE_ROOT}/cmake/Modules/LAMMPSUtils.cmake)
+  # Since May 15, 2025, the output of get_lammps_version is changed.
+  # We vendor the old get_lammps_version
+  # https://github.com/lammps/lammps/commit/b3e7121535863df3db487cd3e6a68c080bf2a6b4#diff-1214db0d1c015a50103f61f8ff7896053dec7ebc1edb930d6ef8bb07282f52abR75
+
+  function(_get_lammps_version version_header variable)
+      file(STRINGS ${version_header} line REGEX LAMMPS_VERSION)
+      set(MONTHS x Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec)
+      string(REGEX REPLACE "#define LAMMPS_VERSION \"([0-9]+) ([A-Za-z]+) ([0-9]+)\"" "\\1" day "${line}")
+      string(REGEX REPLACE "#define LAMMPS_VERSION \"([0-9]+) ([A-Za-z]+) ([0-9]+)\"" "\\2" month "${line}")
+      string(REGEX REPLACE "#define LAMMPS_VERSION \"([0-9]+) ([A-Za-z]+) ([0-9]+)\"" "\\3" year "${line}")
+      string(STRIP ${day} day)
+      string(STRIP ${month} month)
+      string(STRIP ${year} year)
+      list(FIND MONTHS "${month}" month)
+      string(LENGTH ${day} day_length)
+      string(LENGTH ${month} month_length)
+      if(day_length EQUAL 1)
+          set(day "0${day}")
+      endif()
+      if(month_length EQUAL 1)
+          set(month "0${month}")
+      endif()
+      set(${variable} "${year}${month}${day}" PARENT_SCOPE)
+  endfunction()
+
+  _get_lammps_version_old(${LAMMPS_HEADER_DIR}/version.h LAMMPS_VERSION_NUMBER)
   set(LAMMPS_VERSION_NUMBER
       ${LAMMPS_VERSION_NUMBER}
       PARENT_SCOPE)