From b07170b52d89369643c2559a9ceb77725131f899 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Sabot?= <frederic.sabot@haulogy.net>
Date: Wed, 29 Apr 2026 15:40:27 +0200
Subject: [PATCH] Fix FetchContent following
 2a4715ff46a25048e06078ea20afc325d59f987a
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Signed-off-by: Frédéric Sabot <frederic.sabot@haulogy.net>
---
 CMakeLists.txt | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16fa16b..d6697ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,8 +43,10 @@ install(
     DIRECTORY "${PROJECT_SOURCE_DIR}/include/"
     DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
-configure_file(${CMAKE_SOURCE_DIR}/packaging/graaf.pc.in graaf.pc @ONLY)
-install(
-    FILES ${CMAKE_CURRENT_BINARY_DIR}/graaf.pc
-    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
-)
+if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)  # Only if graalib is the top-level project (e.g. skip if obtained via FetchContent)
+    configure_file(${CMAKE_SOURCE_DIR}/packaging/graaf.pc.in graaf.pc @ONLY)
+    install(
+        FILES ${CMAKE_CURRENT_BINARY_DIR}/graaf.pc
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+    )
+endif()