From 8571eac81bff1c08bfe5ff2020951dac5f27cee5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Mon, 28 Oct 2024 08:55:37 +0300
Subject: [PATCH] =?UTF-8?q?mdbx-cmake:=20=D0=BA=D0=BE=D1=80=D1=80=D0=B5?=
 =?UTF-8?q?=D0=BA=D1=82=D0=B8=D1=80=D0=BE=D0=B2=D0=BA=D0=B0=20=D0=BF=D1=80?=
 =?UTF-8?q?=D0=BE=D0=B1=D1=8B=20OpenMP.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 cmake/compiler.cmake | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/cmake/compiler.cmake b/cmake/compiler.cmake
index a6c7f618..e05df1a6 100644
--- a/cmake/compiler.cmake
+++ b/cmake/compiler.cmake
@@ -368,13 +368,15 @@ else()
   set(CMAKE_REQUIRED_FLAGS "-fopenmp -Werror")
   if(CMAKE_CXX_COMPILER_LOADED)
     check_cxx_source_compiles("int main(void) {
-      #pragma omp parallel
-      return 0;
+      #pragma omp for
+      for(int i = 0, j = 0; i != 42; i = 1 + i * 12345) j += i % 43;
+      return j;
       }" HAVE_OPENMP)
   else()
     check_c_source_compiles("int main(void) {
-      #pragma omp parallel
-      return 0;
+      #pragma omp for
+      for(int i = 0, j = 0; i != 42; i = 1 + i * 12345) j += i % 43;
+      return j;
       }" HAVE_OPENMP)
   endif()
   set(CMAKE_REQUIRED_FLAGS "")