Update Makevars

run_conan.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2024 Roberto Rossini <[email protected]>
+#
+# SPDX-License-Identifier: MIT
+
+import subprocess as sp
+import shutil
+import os
+
+
+def find_conan():
+    conan = shutil.which("conan")
+    if conan is None:
+        raise RuntimeError("Unable to find conan in your PATH.\n"
+                           "Please install conan: https://conan.io/downloads")
+
+    return conan
+
+
+def run_conan_profile_detect(conan):
+    sp.run(conan, "profile", "detect", stderr=sp.DEVNULL, stdout=sp.DEVNULL)
+
+
+def run_conan_install(conan):
+    sp.check_call(conan, "install", "../conanfile.txt", "--settings=build_type=Release",
+                  "--settings=compiler.cppstd=17", "--output-folder=conan-staging",
+                  "--build=missing" "--update", stdout=sp.DEVNULL)
+
+
+def main():
+    conan = find_conan()
+    pwd = os.getcwd()
+
+    conandeps_mk = os.path.join(pwd, "conan-staging", "conandeps.mk")
+
+    if os.path.exists(conandeps_mk):
+        print(conandeps_mk)
+        return
+
+    conan_home = os.getenv("CONAN_HOME")
+    if conan_home is not None:
+        os.makedirs(conan_home, exist_ok=True)
+
+    run_conan_profile_detect(conan)
+    run_conan_install(conan)
+    print(conandeps_mk)
+
+
+if __name__ == "__main__":
+    main()

src/Makevars

@@ -1,9 +1,10 @@
-dollar = $
+PWD := $(pwd)
+CONAN_HOME := "$(PWD)/conan-staging/.conan2"
+CONANDEPS_MK := $(shell "$(CONAN_HOME)" ../run_conan.py)
+include $(CONANDEPS_MK)
 
-RUN_CONAN_RESULT := $(shell CONAN_HOME="$(dollar)PWD/conan-staging/.conan2" ../run_conan.sh)
-include conan-staging/conandeps.mk
-
-PKG_CPPFLAGS := $(shell "$R_HOME/bin/Rscript" -e 'Rcpp:::CxxFlags()' 2> /dev/null)
+PKG_CPPFLAGS := -std=c++17
+PKG_CPPFLAGS := $(PKG_CPPFLAGS) $(shell "$(R_HOME)/bin/Rscript" -e 'Rcpp:::CxxFlags()' 2> /dev/null)
 PKG_CPPFLAGS := $(PKG_CPPFLAGS) $(addprefix -isystem ,$(CONAN_INCLUDE_DIRS))
 PKG_CPPFLAGS := $(PKG_CPPFLAGS) $(addprefix -isystem ,$(CONAN_INCLUDE_DIRS_HDF5_HDF5_C))
 PKG_CPPFLAGS := $(PKG_CPPFLAGS) $(addprefix -D ,$(CONAN_DEFINES))