From cb7b23e2201744b9558d1f3cbbf4225c84d8bc25 Mon Sep 17 00:00:00 2001
From: Christoph Junghans <junghans@lanl.gov>
Date: Fri, 22 Jun 2018 11:11:09 -0600
Subject: [PATCH] cmake: add BUILD_EXE option
---
cmake/CMakeLists.txt | 46 +++++++++++++++++++++++++++-----------------
1 file changed, 28 insertions(+), 18 deletions(-)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 32c6e82920..e64e44995d 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -57,6 +57,15 @@ endif()
########################################################################
# User input options #
########################################################################
+option(BUILD_EXE "Build lmp binary" ON)
+if(BUILD_EXE)
+ set(LAMMPS_MACHINE "" CACHE STRING "Suffix to append to lmp binary (WON'T enable any features automatically")
+ mark_as_advanced(LAMMPS_MACHINE)
+ if(LAMMPS_MACHINE)
+ set(LAMMPS_MACHINE "_${LAMMPS_MACHINE}")
+ endif()
+endif()
+
option(BUILD_LIB "Build LAMMPS library" OFF)
if(BUILD_LIB)
option(BUILD_SHARED_LIBS "Build shared library" OFF)
@@ -69,6 +78,11 @@ if(BUILD_LIB)
set(LIB_SUFFIX "_${LIB_SUFFIX}")
endif()
endif()
+
+if(NOT BUILD_EXE AND NOT BUILD_LIB)
+ message(FATAL_ERROR "You need to at least enable one of two following options: BUILD_LIB or BUILD_EXE")
+endif()
+
option(DEVELOPER_MODE "Enable developer mode" OFF)
mark_as_advanced(DEVELOPER_MODE)
option(CMAKE_VERBOSE_MAKEFILE "Generate verbose Makefiles" OFF)
@@ -110,12 +124,6 @@ if(LAMMPS_EXCEPTIONS)
set(LAMMPS_API_DEFINES "${LAMMPS_API_DEFINES} -DLAMMPS_EXCEPTIONS")
endif()
-set(LAMMPS_MACHINE "" CACHE STRING "Suffix to append to lmp binary (WON'T enable any features automatically")
-mark_as_advanced(LAMMPS_MACHINE)
-if(LAMMPS_MACHINE)
- set(LAMMPS_MACHINE "_${LAMMPS_MACHINE}")
-endif()
-
option(CMAKE_VERBOSE_MAKEFILE "Verbose makefile" OFF)
option(ENABLE_TESTING "Enable testing" OFF)
@@ -832,20 +840,22 @@ else()
list(APPEND LMP_SOURCES ${LIB_SOURCES})
endif()
-add_executable(lmp ${LMP_SOURCES})
-if(BUILD_LIB)
- target_link_libraries(lmp lammps)
-else()
- target_link_libraries(lmp ${LAMMPS_LINK_LIBS})
- if(LAMMPS_DEPS)
- add_dependencies(lmp ${LAMMPS_DEPS})
+if(BUILD_EXE)
+ add_executable(lmp ${LMP_SOURCES})
+ if(BUILD_LIB)
+ target_link_libraries(lmp lammps)
+ else()
+ target_link_libraries(lmp ${LAMMPS_LINK_LIBS})
+ if(LAMMPS_DEPS)
+ add_dependencies(lmp ${LAMMPS_DEPS})
+ endif()
endif()
-endif()
-set_target_properties(lmp PROPERTIES OUTPUT_NAME lmp${LAMMPS_MACHINE})
-install(TARGETS lmp DESTINATION ${CMAKE_INSTALL_BINDIR})
-if(ENABLE_TESTING)
- add_test(ShowHelp lmp${LAMMPS_MACHINE} -help)
+ set_target_properties(lmp PROPERTIES OUTPUT_NAME lmp${LAMMPS_MACHINE})
+ install(TARGETS lmp DESTINATION ${CMAKE_INSTALL_BINDIR})
+ if(ENABLE_TESTING)
+ add_test(ShowHelp lmp${LAMMPS_MACHINE} -help)
+ endif()
endif()
###############################################################################
--
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