From c11690e75c4ea655f8e914813d4396a87ae661fc Mon Sep 17 00:00:00 2001
From: Kevin Chung <chung28@llnl.gov>
Date: Wed, 20 Dec 2023 15:04:48 -0800
Subject: [PATCH] proper importing of yaml-cpp. simplifying the installation
 for yaml-cpp.

---
 CMakeLists.txt           | 8 ++++----
 docker/Dockerfile        | 6 +++---
 include/input_parser.hpp | 2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2093779..63ffa817 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,8 +84,9 @@ find_path(PARMETIS_INCLUDES metis.h "$ENV{PARMETIS_DIR}/metis/include")
 find_path(MUMPS_INCLUDES dmumps_c.h "$ENV{MUMPS_DIR}/include")
 
 # yaml-cpp library
-find_library(YAML yaml-cpp HINTS "$ENV{YAML_DIR}/lib")
-find_path(YAML_INCLUDES yaml.h HINTS "$ENV{YAML_DIR}/include/yaml-cpp")
+find_package(yaml-cpp REQUIRED)
+# find_library(YAML yaml-cpp HINTS "$ENV{YAML_DIR}/lib")
+# find_path(YAML_INCLUDES yaml.h HINTS "$ENV{YAML_DIR}/include/yaml-cpp")
 
 # libROM
 find_library(LIBROM libROM.so HINTS "$ENV{LIBROM_DIR}/build/lib")
@@ -100,7 +101,6 @@ include_directories(
   ${HDF5_C_INCLUDE_DIRS}
   ${MPI_C_INCLUDE_DIRS}
   ${MFEM_C_INCLUDE_DIRS}
-  ${YAML_INCLUDES}
   ${LIBROM_INCLUDES}
 )
 link_libraries(
@@ -118,7 +118,7 @@ link_libraries(
   ${PARMETIS}
   ${METIS}
   ${MUMPS}
-  ${YAML}
+  yaml-cpp::yaml-cpp
   GTest::GTest
   ${LIBROM}
 )
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 43d54944..cd55c901 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -39,9 +39,9 @@ ENV MFEM_INCLUDES=${MFEM_DIR}
 WORKDIR $LIB_DIR
 RUN sudo git clone https://github.com/jbeder/yaml-cpp.git
 WORKDIR ./yaml-cpp/lib
-RUN cmake .. -DYAML_BUILD_SHARED_LIBS=on && make
-WORKDIR $LIB_DIR/yaml-cpp/include/yaml-cpp
-RUN sudo ln -s ./ yaml-cpp
+RUN cmake .. -DYAML_BUILD_SHARED_LIBS=on && make && sudo make install
+# WORKDIR $LIB_DIR/yaml-cpp/include/yaml-cpp
+# RUN sudo ln -s ./ yaml-cpp
 
 # flags for libROM cmake
 ENV YAML_DIR=$LIB_DIR/yaml-cpp
diff --git a/include/input_parser.hpp b/include/input_parser.hpp
index d48c9214..9d4dd55e 100644
--- a/include/input_parser.hpp
+++ b/include/input_parser.hpp
@@ -5,7 +5,7 @@
 #ifndef INPUT_PARSER_HPP
 #define INPUT_PARSER_HPP
 
-#include "yaml.h"
+#include "yaml-cpp/yaml.h"
 #include "mfem.hpp"
 
 using namespace mfem;