add ptread link to fix cmake build under linux

.github/workflows/build.yml

@@ -2,7 +2,7 @@ name: CI
 on: [push, pull_request]
 
 jobs:
-  ubuntu-latest:
+  ubuntu-latest-make:
     runs-on: ubuntu-latest
 
     steps:
@@ -18,7 +18,26 @@ jobs:
         run: |
           make
 
-  macOS-latest:
+  ubuntu-latest-cmake:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v1
+
+      - name: Dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install build-essential
+
+      - name: Build
+        run: |
+          mkdir build
+          cd build
+          cmake ..
+          cmake --build . --config Release
+
+  macOS-latest-make:
     runs-on: macos-latest
 
     steps:
@@ -33,7 +52,25 @@ jobs:
         run: |
           make
 
-  windows-latest:
+  macOS-latest-cmake:
+    runs-on: macOS-latest
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v1
+
+      - name: Dependencies
+        run: |
+          brew update
+
+      - name: Build
+        run: |
+          mkdir build
+          cd build
+          cmake ..
+          cmake --build . --config Release
+
+  windows-latest-cmake:
     runs-on: windows-latest
 
     steps:

CMakeLists.txt

@@ -4,6 +4,8 @@ project("llama.cpp")
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED true)
 set(CMAKE_C_STANDARD 11)
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
 
 if (NOT XCODE AND NOT MSVC AND NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
@@ -126,3 +128,4 @@ target_link_libraries(ggml PRIVATE ${LLAMA_EXTRA_LIBS})
 target_include_directories(ggml PUBLIC .)
 target_link_libraries(quantize PRIVATE ggml)
 target_link_libraries(llama PRIVATE ggml)
+target_link_libraries(ggml PRIVATE Threads::Threads)