venv      = source .venv/bin/activate
 localpath = export PATH=${HOME}/.local/bin:${PATH};

 REGRESSION_DIR = 
 ifneq ($(findstring nightly,$(shell pwd)),)
   REGRESSION_DIR = /nightly
 endif
 ifneq ($(findstring runner,$(shell pwd)),)
   REGRESSION_DIR = /work/coriolis/coriolis
 endif

 SMP_FLAGS = 
 ifneq ($(shell which nproc 2> /dev/null),)
   SMP_FLAGS = -j$(shell nproc)
 endif
 SRC_DIR      = ${HOME}$(REGRESSION_DIR)/coriolis-2.x/src
 CORIOLIS_SRC = ${SRC_DIR}/coriolis
 ALLIANCE_SRC = ${SRC_DIR}/alliance/alliance/src
 BUILDTYPE    = release
 BUILDDIR     = ${HOME}$(REGRESSION_DIR)/coriolis-2.x/$(BUILDTYPE)/build
 PREFIX       = ${HOME}$(REGRESSION_DIR)/coriolis-2.x/$(BUILDTYPE)/install


help:
	@echo "============================================================================"; \
	 echo "Coriolis build & install top Makefile";                                        \
	 echo "";                                                                             \
	 echo "This Makefile is intended *only* for LIP6 users";                              \
	 echo "";                                                                             \
	 echo "To build it, simply type (in coriolis/, at the shell prompt):";                \
	 echo "    ego@home:coriolis> make install";                                          \
	 echo "To remove the build directory (and keep the software installed):";             \
	 echo "    ego@home:coriolis> make clean_build";                                      \
	 echo "To fully remove build & install:";                                             \
	 echo "    ego@home:coriolis> make uninstall";                                        \
	 echo "============================================================================"; \
	 echo "SMP_FLAGS    = $(SMP_FLAGS)" ;                                                 \
	 echo "CORIOLIS_SRC = $(CORIOLIS_SRC)" ;                                              \
	 echo "BUILDDIR     = $(BUILDDIR)" ;                                                  \
	 echo "PREFIX       = $(PREFIX)" ;                                                    \
	 echo "============================================================================";


check_dir:
	@if [ "`pwd`" != "${CORIOLIS_SRC}" ]; then                        \
	   echo "Coriolis uses a fixed directory from the user's root.";  \
	   echo "You must put in:";                                       \
	   echo "    <${CORIOLIS_SRC}>";                                  \
	   echo "Instead of:";                                            \
	   echo "    <`pwd`>";                                            \
	   echo "Stopping build.";                                        \
	   exit 1;                                                        \
	 fi


$(HOME)/.local/bin/pdm:
	@pip install pdm


$(CORIOLIS_SRC)/.pdm-plugins/bin/pdm: $(HOME)/.local/bin/pdm
	@$(localpath) pdm install --no-self -d --plugins


configure:
	@$(localpath) pdm run meson setup ${BUILDDIR} --prefix=$(PREFIX) -Dpython.install_env=prefix


install: check_dir $(CORIOLIS_SRC)/.pdm-plugins/bin/pdm configure
	@$(localpath) pdm run meson install -C $(BUILDDIR)
	@echo "";                                                                             \
	 echo "============================================================================"; \
	 echo "Coriolis has been successfully built";                                         \
	 echo "============================================================================"; \
	 echo "It has been installed under the directory:";                                   \
	 echo "    $(PREFIX)/{bin,lib,lib64,include,share,...}";                              \
	 echo "============================================================================";


install_docs: check_dir $(CORIOLIS_SRC)/.pdm-plugins/bin/pdm configure
	@$(localpath) pdm run meson configure ${BUILDDIR} --prefix=$(PREFIX) \
	                                                  -Donly-docs=true   \
	                                                  -Ddocs=true
	@$(localpath) pdm run meson install -C $(BUILDDIR)


install_alliance:
	 export ALLIANCE_TOP=$(PREFIX); \
	 export LD_LIBRARY_PATH=$(PREFIX)/lib:$(LD_LIBRARY_PATH); \
	 cd $(ALLIANCE_SRC); \
	 sed -i 's,dirs="\\$$newdirs documentation",dirs="$$newdirs",' ./autostuff; \
	 ./autostuff clean; \
	 ./autostuff; \
 	 mkdir -p $(BUILDDIR); \
	 cd $(BUILDDIR); \
	 $(ALLIANCE_SRC)/configure --prefix=$(PREFIX) --enable-alc-shared; \
 	 make -j1 install


clean_build: check_dir
	@echo "Removing the build tree only."; \
	 echo "    $(BUILDDIR)";               \
	 rm -rf $(BUILDDIR)


clean_pdm:
	@echo "Removing all pip, pdm & venv installed files."
	 rm -rf ${HOME}/.local
	 rm -rf ${CORIOLIS_SRC}/.venv
	 rm -f  ${CORIOLIS_SRC}/.pdm_python
	 rm -rf ${CORIOLIS_SRC}/.pdm_plugins


uninstall: check_dir
	@echo "Removing the whole build & install tree..."; \
	@$(localpath) pdm run ninja -C $(BUILDDIR) uninstall