From 3cbef821c0ec472a446ac701df8408b3776c16ea Mon Sep 17 00:00:00 2001
From: Sergey Bronnikov <estetus@gmail.com>
Date: Wed, 17 May 2023 19:44:04 +0300
Subject: [PATCH] [cmake] Enable static building

OSS Fuzz strongly recommends static linking for tests [1]. Patch enables
static linking for a fuzzing test added in commit
2ad14696124b5a7689a323f56859efb329a3d25c ("Add fuzzer for
certificate_data_set_pem()").

1. https://google.github.io/oss-fuzz/further-reading/fuzzer-environment/#runtime-dependencies
---
 cmake/ConfigOptions.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/ConfigOptions.cmake b/cmake/ConfigOptions.cmake
index 7bf8e2c00..e36d67415 100644
--- a/cmake/ConfigOptions.cmake
+++ b/cmake/ConfigOptions.cmake
@@ -199,6 +199,11 @@ if (BUILD_FUZZERS)
 
     set(BUILD_TESTING ON)
 
+    if (BUILD_SHARED_LIBS STREQUAL "OFF")
+        set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
+        set(CMAKE_CXX_FLAGS "-static ${CMAKE_CXX_FLAGS}")
+    endif()
+
     # A special target with fuzzer and sanitizer flags.
     add_library(fuzzer_config INTERFACE)