From 5b5730ed81d63642d86e89036f2bf0153b090eb0 Mon Sep 17 00:00:00 2001
From: q-posev <posenitskiy@irsamc.ups-tlse.fr>
Date: Mon, 26 Sep 2022 17:06:04 +0200
Subject: [PATCH] Do not rely on the .git folder for TREXIO_DEVEL setup

This poses issues when packaging for Guix and Debian
---
 .devel         | 0
 CMakeLists.txt | 2 +-
 configure.ac   | 6 +++---
 3 files changed, 4 insertions(+), 4 deletions(-)
 create mode 100644 .devel

diff --git a/.devel b/.devel
new file mode 100644
index 0000000..e69de29
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a5712f..ba6f6c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ set(CMAKE_C_STANDARD_REQUIRED ON)
 # Optional configure for developer mode to generate source code from org-mode files.
 option(TREXIO_DEVEL "TREXIO developer mode (for code generation)." OFF)
 
-if(EXISTS "${CMAKE_SOURCE_DIR}/.git/config")
+if(EXISTS "${CMAKE_SOURCE_DIR}/.devel")
   set(TREXIO_DEVEL ON)
   find_package(Python3 REQUIRED)
   if(Python3_FOUND)
diff --git a/configure.ac b/configure.ac
index 3ef8c86..cd0a7b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,10 +16,10 @@ AM_PROG_AR
 LT_PREREQ([2.2])
 LT_INIT
 
-# Activate developer mode when the source is the git repository.
+# Activate developer mode when if a dummy file is present (true when cloning the git repository).
 # Otherwise, it is the source distribution and the developer mode should not be activated.
-TEST_IFEXISTS=".git"
-AS_IF([test -d $TEST_IFEXISTS],
+TEST_IFEXISTS=".devel"
+AS_IF([test -f $TEST_IFEXISTS],
         [enable_maintainer_mode="yes"]
 )