From 77746a648fe6b98e8bd501bfa3636c35315fb80d Mon Sep 17 00:00:00 2001
From: Ansariel <ansariel.hiller@phoenixviewer.com>
Date: Mon, 20 Oct 2025 11:27:00 +0200
Subject: [PATCH] Prevent full rebuild each time CMake detects any changes

---
 indra/cmake/APR.cmake | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/indra/cmake/APR.cmake b/indra/cmake/APR.cmake
index ba5ba48ba8..ed5a651b61 100644
--- a/indra/cmake/APR.cmake
+++ b/indra/cmake/APR.cmake
@@ -34,6 +34,9 @@ target_include_directories(ll::apr SYSTEM INTERFACE ${LIBS_PREBUILT_DIR}/include
 
 # <FS:Ansariel> Hotfix incorrect check in APR header
 file(READ ${LIBS_PREBUILT_DIR}/include/apr-1/apr.h APR_HEADER_CONTENTS)
-string(REPLACE "#if !(defined(__attribute__) || defined(__has_attribute))" "#if !defined(__attribute__)" APR_HEADER_CONTENTS "${APR_HEADER_CONTENTS}")
-file(WRITE ${LIBS_PREBUILT_DIR}/include/apr-1/apr.h "${APR_HEADER_CONTENTS}")
-# </FS:Ansariel>
\ No newline at end of file
+string(FIND "${APR_HEADER_CONTENTS}" "#if !(defined(__attribute__) || defined(__has_attribute))" ATTRIBUTE_TYPEDEF_POS)
+if (${ATTRIBUTE_TYPEDEF_POS} GREATER -1)
+    string(REPLACE "#if !(defined(__attribute__) || defined(__has_attribute))" "#if !defined(__attribute__)" APR_HEADER_CONTENTS "${APR_HEADER_CONTENTS}")
+    file(WRITE ${LIBS_PREBUILT_DIR}/include/apr-1/apr.h "${APR_HEADER_CONTENTS}")
+endif()
+# </FS:Ansariel>