From 59f4fff30f4ab628da9aa7e5f77a7f1bb218a779 Mon Sep 17 00:00:00 2001
From: Alex Reinking <areinking@adobe.com>
Date: Tue, 14 Jan 2025 18:08:52 -0800
Subject: [PATCH] Don't include CMAKE_INSTALL_PREFIX when LIBDIR is absolute
 (#8552)

---
 cmake/HalidePackageConfigHelpers.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/HalidePackageConfigHelpers.cmake b/cmake/HalidePackageConfigHelpers.cmake
index efdacba24a1f..2036c819b7d1 100644
--- a/cmake/HalidePackageConfigHelpers.cmake
+++ b/cmake/HalidePackageConfigHelpers.cmake
@@ -78,9 +78,10 @@ function(_Halide_install_pkgdeps)
     )
 
     set(depFile "${CMAKE_CURRENT_BINARY_DIR}/${ARG_FILE_NAME}")
+    set(installPrefix "$<$<PATH:IS_RELATIVE,${ARG_DESTINATION}>:\${CMAKE_INSTALL_PREFIX}/>")
 
     _Halide_install_code(
-        "file(READ \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${ARG_DESTINATION}/${ARG_EXPORT_FILE}\" target_cmake)"
+        "file(READ \"\$ENV{DESTDIR}${installPrefix}${ARG_DESTINATION}/${ARG_EXPORT_FILE}\" target_cmake)"
         "file(WRITE \"${depFile}.in\" \"\")"
     )