workflows: pr-compile-check.yaml: add libjemalloc system library test

Signed-off-by: Thomas Devoogdt <thomas@devoogdt.com>

Author: ThomasDevoogdt

.github/workflows/pr-compile-check.yaml

@@ -48,7 +48,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y curl gcc-7 g++-7 clang-6.0 libsystemd-dev gcovr libyaml-dev libluajit-5.1-dev \
-            libnghttp2-dev
+            libnghttp2-dev libjemalloc-dev
           sudo ln -s /usr/bin/llvm-symbolizer-6.0 /usr/bin/llvm-symbolizer || true
           mkdir -p /tmp/libbacktrace/build && \
             curl -L https://github.com/ianlancetaylor/libbacktrace/archive/8602fda.tar.gz | \
@@ -72,7 +72,7 @@ jobs:
           CC: ${{ matrix.compiler }}
           CXX: ${{ matrix.compiler }}
           FLB_OPT: ${{ matrix.flb_option }}
-          GLOBAL_OPTS: "-DFLB_SHARED_LIB=Off -DFLB_DEBUG=On -DFLB_ALL=On -DFLB_EXAMPLES=Off"
+          GLOBAL_OPTS: "-DFLB_JEMALLOC=On -DFLB_SHARED_LIB=Off -DFLB_DEBUG=On -DFLB_ALL=On -DFLB_EXAMPLES=Off"
 
       - name: Display dependencies w/ ldd
         run: |