Make app4triqs not depend on triqs

Co-authored-by: Dylan Simon <dylan@dylex.net>

.github/workflows/build.yml

@@ -2,9 +2,9 @@ name: build
 
 on:
   push:
-    branches: [ unstable ]
+    branches: [ notriqs ]
   pull_request:
-    branches: [ unstable ]
+    branches: [ notriqs ]
   workflow_call:
   workflow_dispatch:
 
@@ -56,7 +56,6 @@ jobs:
         gfortran
         hdf5-tools
         libblas-dev
-        libboost-dev
         libclang-15-dev
         libc++-15-dev
         libc++abi-15-dev
@@ -73,7 +72,6 @@ jobs:
         python3-clang-15
         python3-dev
         python3-mako
-        python3-matplotlib
         python3-mpi4py
         python3-numpy
         python3-pip
@@ -84,7 +82,7 @@ jobs:
     - name: Install homebrew dependencies
       if: matrix.os == 'macos-12'
       run: |
-        brew install ccache gcc@12 llvm boost fftw hdf5 open-mpi openblas
+        brew install ccache gcc@12 llvm hdf5 open-mpi openblas
         mkdir $HOME/.venv
         python3 -m venv $HOME/.venv/my_python
         source $HOME/.venv/my_python/bin/activate
@@ -99,33 +97,20 @@ jobs:
         echo "PATH=/usr/local/opt/llvm/bin:$PATH" >> $GITHUB_ENV
         echo "CXXFLAGS=-stdlib=libc++" >> $GITHUB_ENV
 
-    - name: Build & Install TRIQS
-      env:
-        CC: ${{ matrix.cc }}
-        CXX: ${{ matrix.cxx }}
-      run: |
-        git clone https://github.com/TRIQS/triqs --branch unstable
-        mkdir triqs/build && cd triqs/build
-        cmake .. -DBuild_Tests=OFF -DCMAKE_INSTALL_PREFIX=$HOME/install
-        make -j1 install VERBOSE=1
-        cd ../
-
     - name: Build app4triqs
       env:
         CC: ${{ matrix.cc }}
         CXX: ${{ matrix.cxx }}
         LIBRARY_PATH: /usr/local/opt/llvm/lib
       run: |
-        source $HOME/install/share/triqs/triqsvars.sh
-        mkdir build && cd build && cmake ..
+        mkdir build && cd build && cmake .. -DCMAKE_INSTALL_PREFIX=$HOME/install
         make -j2 || make -j1 VERBOSE=1
 
     - name: Test app4triqs
       env:
         DYLD_FALLBACK_LIBRARY_PATH: /usr/local/opt/llvm/lib
         OPENBLAS_NUM_THREADS: "1"
       run: |
-        source $HOME/install/share/triqs/triqsvars.sh
         cd build
         ctest -j2 --output-on-failure
 

CMakeLists.txt

@@ -27,28 +27,22 @@ endif()
 
 # ############
 # Define Project
-project(app4triqs VERSION 3.2.0 LANGUAGES C CXX)
+project(app4triqs VERSION 1.2.0 LANGUAGES C CXX)
 get_directory_property(IS_SUBPROJECT PARENT_DIRECTORY)
 
-# ############
-# Load TRIQS and CPP2PY
-find_package(TRIQS 3.2 REQUIRED)
-
-# Get the git hash & print status
-triqs_get_git_hash_of_source_dir(PROJECT_GIT_HASH)
+message(STATUS "-------- app4triqs version and git hash detection -------------")
+find_package(Git)
+execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
+  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+  OUTPUT_VARIABLE PROJECT_GIT_HASH
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
 message(STATUS "${PROJECT_NAME} version : ${PROJECT_VERSION}")
 message(STATUS "${PROJECT_NAME} Git hash: ${PROJECT_GIT_HASH}")
 
-# Enforce Consistent Versioning
-if(NOT ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR} VERSION_EQUAL ${TRIQS_VERSION_MAJOR}.${TRIQS_VERSION_MINOR})
-  message(FATAL_ERROR "The ${PROJECT_NAME} version ${PROJECT_VERSION} is not compatible with TRIQS version ${TRIQS_VERSION}.")
-endif()
-
-# Default Install directory to TRIQS_ROOT if not given or when provided as relative path.
+# Assert that install directory is provided and is absolute path.
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR (NOT IS_ABSOLUTE ${CMAKE_INSTALL_PREFIX}))
-  message(STATUS "No install prefix given (or invalid). Defaulting to TRIQS_ROOT")
-  set(CMAKE_INSTALL_PREFIX ${TRIQS_ROOT} CACHE PATH "default install path" FORCE)
-  set(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT FALSE)
+  message(FATAL_ERROR "No install prefix given (or invalid)")
 endif()
 if(NOT IS_SUBPROJECT)
   message(STATUS "-------- CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX} --------")
@@ -71,9 +65,6 @@ endif()
 
 # Python Support
 option(PythonSupport "Build with Python support" ON)
-if(PythonSupport AND NOT TRIQS_WITH_PYTHON_SUPPORT)
-  message(FATAL_ERROR "TRIQS was installed without Python support. Cannot build the Python Interface. Disable the build with -DPythonSupport=OFF")
-endif()
 
 # Documentation
 option(Build_Documentation "Build documentation" OFF)
@@ -124,6 +115,25 @@ target_compile_options(${PROJECT_NAME}_warnings
     $<$<CXX_COMPILER_ID:IntelLLVM>:-Wno-tautological-constant-compare>
 )
 
+# ---------------------------------
+# Resolve Clang Linktime Problems
+# CMake will adjust any linker flags from '-L path_to/mylib.so' to -lmylib
+# if the proper mylib.so is automatically found by the linker, i.e.
+# the directory comes first in LIBRARY_PATH.
+# The clang linker however ignores LIBRARY_PATH.
+# We thus explicitly add the content of LIBRARY_PATH to the LDFLAGS
+# FIXME For future cmake versions we should populate the
+# INTERFACE_LINK_DIRECTORIES of the triqs target
+# ---------------------------------
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND DEFINED ENV{LIBRARY_PATH})
+  string(REPLACE ":" ";" LINK_DIRS $ENV{LIBRARY_PATH})
+  foreach(dir ${LINK_DIRS})
+    string(APPEND CMAKE_SHARED_LINKER_FLAGS " -L${dir}")
+    string(APPEND CMAKE_MODULE_LINKER_FLAGS " -L${dir}")
+    string(APPEND CMAKE_EXE_LINKER_FLAGS " -L${dir}")
+  endforeach()
+endif()
+
 # Provide GNU Installation directories
 include(GNUInstallDirs)
 
@@ -170,7 +180,6 @@ if(BUILD_DEBIAN_PACKAGE AND NOT IS_SUBPROJECT)
   set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
   set(CPACK_PACKAGE_CONTACT "https://github.com/TRIQS/${PROJECT_NAME}")
   execute_process(COMMAND dpkg --print-architecture OUTPUT_VARIABLE CMAKE_DEBIAN_PACKAGE_ARCHITECTURE OUTPUT_STRIP_TRAILING_WHITESPACE)
-  set(CPACK_DEBIAN_PACKAGE_DEPENDS "triqs (>= 3.2)")
   set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
   set(CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS ON)
   include(CPack)