move cpptoml out

CMakeLists.txt

@@ -31,6 +31,10 @@ find_package(ARPACK REQUIRED)
 include_directories(SYSTEM ${ARPACK_INCLUDE_DIRS})
 set(LIBS ${LIBS} ${ARPACK_LIBRARIES})
 
+#cpptoml
+find_package(CPPTOML REQUIRED)
+include_directories(SYSTEM ${CPPTOML_INCLUDE_DIRS})
+
 # Boost
 find_package(Boost REQUIRED)
 include_directories(SYSTEM ${Boost_INCLUDE_DIRS})

README.md

@@ -89,13 +89,24 @@ To learn how to use this library to design ED code for your own models, please r
 
  - gfortran
  - g++
+ - cpptoml
  - pkg-config
  - boost-dev
 
- A single command to get them on **Ubuntu**:
+ For **Ubuntu**, a single command should suffice:
 
  ```
- sudo apt install gfortran g++ pkg-config libboost-dev
+ sudo apt install gfortran g++ libcpptoml-dev pkg-config libboost-dev
+ ```
+
+ For other Linux distros, cpptoml can be downloaded easily:
+
+ ```
+ cd /tmp
+ wget https://github.com/skystrife/cpptoml/archive/refs/tags/v0.1.1.tar.gz
+ tar xf v0.1.1.tar.gz
+ cd cpptoml-0.1.1
+ cp include/cpptoml.h ~/installs/include
  ```
 
 4. Install ARPACK-NG:

cmake_modules/FindCPPTOML.cmake

@@ -0,0 +1,28 @@
+# CPPTOML_INCLUDE_DIR = cpptoml.h
+# CPPTOML_FOUND = true if CPPTOML is found
+
+IF(CPPTOML_INCLUDE_DIRS)
+ FIND_PATH(CPPTOML_INCLUDE_DIR cpptoml.h ${CPPTOML_INCLUDE_DIRS})
+ELSE(CPPTOML_INCLUDE_DIRS)
+ SET(TRIAL_PATHS
+ $ENV{HOME}/installs/include
+ /usr/include
+ /usr/local/include
+ /opt/homebrew/include
+ )
+ FIND_PATH(CPPTOML_INCLUDE_DIR cpptoml.h ${TRIAL_PATHS})
+ENDIF(CPPTOML_INCLUDE_DIRS)
+set(CPPTOML_INCLUDE_DIRS ${CPPTOML_INCLUDE_DIR})
+
+IF(CPPTOML_INCLUDE_DIR)
+ MESSAGE(STATUS "CPPTOML_INCLUDE_DIR=${CPPTOML_INCLUDE_DIR}")
+ SET(CPPTOML_FOUND TRUE)
+ELSE()
+ MESSAGE("CPPTOML NOT found.")
+ SET(CPPTOML_FOUND FALSE)
+ENDIF()
+
+MARK_AS_ADVANCED(
+ CPPTOML_INCLUDE_DIR
+ CPPTOML_FOUND
+)