From 7973fa4f9cdc889059bb0a382715776d1f38429c Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <julian.klode@canonical.com>
Date: Fri, 20 Apr 2018 11:58:09 +0200
Subject: CMake: Fix builds without zstd

Only use zstd defined variables if zstd was found.
---
 apt-pkg/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'apt-pkg/CMakeLists.txt')

diff --git a/apt-pkg/CMakeLists.txt b/apt-pkg/CMakeLists.txt
index fdf27f92d..64709ce34 100644
--- a/apt-pkg/CMakeLists.txt
+++ b/apt-pkg/CMakeLists.txt
@@ -44,7 +44,7 @@ target_include_directories(apt-pkg
                                    ${BZIP2_INCLUDE_DIR}
                                    ${LZMA_INCLUDE_DIRS}
                                    ${LZ4_INCLUDE_DIRS}
-                                   ${ZSTD_INCLUDE_DIRS}
+                                   $<$<BOOL:${ZSTD_FOUND}>:${ZSTD_INCLUDE_DIRS}>
                                    $<$<BOOL:${UDEV_FOUND}>:${UDEV_INCLUDE_DIRS}>
                                    ${ICONV_INCLUDE_DIRS}
 )
@@ -56,7 +56,7 @@ target_link_libraries(apt-pkg
                              ${BZIP2_LIBRARIES}
                              ${LZMA_LIBRARIES}
                              ${LZ4_LIBRARIES}
-                             ${ZSTD_LIBRARIES}
+                             $<$<BOOL:${ZSTD_FOUND}>:${ZSTD_LIBRARIES}>
                              $<$<BOOL:${UDEV_FOUND}>:${UDEV_LIBRARIES}>
                              ${ICONV_LIBRARIES}
 )
-- 
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