make it possible to specify PYTHON_INTERPRETER for build (needed for …

…MinGW)
danmar · Feb 12, 2022 · 61d7e5a · 61d7e5a
1 parent 691b5e6
commit 61d7e5a
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Showing 3 changed files with 16 additions and 2 deletions.
diff --git a/Makefile b/Makefile
@@ -20,7 +20,9 @@ ifeq ($(SRCDIR),build)
 endif
 ifeq ($(MATCHCOMPILER),yes)
     # Find available Python interpreter
-    PYTHON_INTERPRETER := $(shell which python3)
+    ifndef PYTHON_INTERPRETER
+        PYTHON_INTERPRETER := $(shell which python3)
+    endif
     ifndef PYTHON_INTERPRETER
         PYTHON_INTERPRETER := $(shell which python)
     endif

diff --git a/readme.md b/readme.md
@@ -207,6 +207,16 @@ g++ -o cppcheck -std=c++11 -lpcre -DHAVE_RULES -Ilib -Iexternals -Iexternals/sim
 mingw32-make
 ```
 
+If you encounter the following error with `MATCHCOMPILER=yes` you need to specify your Python interpreter via `PYTHON_INTERPRETER`.
+
+```
+process_begin: CreateProcess(NULL, which python3, ...) failed.
+makefile:24: pipe: No error
+process_begin: CreateProcess(NULL, which python, ...) failed.
+makefile:27: pipe: No error
+makefile:30: *** Did not find a Python interpreter.  Stop.
+```
+
 ### Other Compiler/IDE
 
 1. Create an empty project file / makefile.

diff --git a/tools/dmake.cpp b/tools/dmake.cpp
@@ -254,7 +254,9 @@ int main(int argc, char **argv)
          << "endif\n";
     fout << "ifeq ($(MATCHCOMPILER),yes)\n"
          << "    # Find available Python interpreter\n"
-         << "    PYTHON_INTERPRETER := $(shell which python3)\n"
+         << "    ifndef PYTHON_INTERPRETER\n"
+         << "        PYTHON_INTERPRETER := $(shell which python3)\n"
+         << "    endif\n"
          << "    ifndef PYTHON_INTERPRETER\n"
          << "        PYTHON_INTERPRETER := $(shell which python)\n"
          << "    endif\n"