From 8a7c1c58cd87f1069e278dbee57883456aeb3ec0 Mon Sep 17 00:00:00 2001
From: Martin Pulec <martin.pulec@cesnet.cz>
Date: Wed, 17 Mar 2021 16:44:09 +0100
Subject: [PATCH] bootstrap_gpujpeg.sh: compat with older CMake

---
 bootstrap_gpujpeg.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/bootstrap_gpujpeg.sh b/bootstrap_gpujpeg.sh
index 9ccd48e0e..a6d4ef571 100755
--- a/bootstrap_gpujpeg.sh
+++ b/bootstrap_gpujpeg.sh
@@ -1,5 +1,6 @@
 #!/bin/sh -e
 
+UG_SRC_PATH=$(dirname $0)
 SRC_DIR=ext-deps/gpujpeg
 BUILD_DIR=$SRC_DIR/build
 INSTALL_DIR=$SRC_DIR/install
@@ -54,8 +55,13 @@ else
 	git clone --depth 1 https://github.com/CESNET/GPUJPEG.git $SRC_DIR
 fi
 [ $DOWNLOAD_ONLY = yes ] && exit 0
-cmake $CMAKE_ARGUMENTS $SRC_DIR -B $BUILD_DIR
-cmake --build $BUILD_DIR --parallel
+cmake $CMAKE_ARGUMENTS $SRC_DIR -B$BUILD_DIR
+CMAKE_COMPILE_FLAGS=
+CMAKE_VER=`cmake --version | head -n 1 | cut -f 3 -d\ `
+if [ "$($UG_SRC_PATH/.github/scripts/Linux/utils/semver.sh $CMAKE_VER 3.12)" -ge 0 ]; then
+	CMAKE_COMPILE_FLAGS=--parallel
+fi
+cmake --build $BUILD_DIR $CMAKE_COMPILE_FLAGS
 ${SUDO}cmake --install $BUILD_DIR
 
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