CI: faster builds

Update c-cpp.yml

.github/workflows/c-cpp.yml

@@ -18,9 +18,9 @@ jobs:
     strategy:
       matrix:
         config:
-          - {arch: x86_64, branch: latest-stable, flags: "-flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline"}
-          - {arch: aarch64, branch: latest-stable, flags: "-flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline -mfix-cortex-a53-835769 -mfix-cortex-a53-843419"}
-          - {arch: riscv64, branch: edge, flags: "-flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline"}
+          - {arch: x86_64, branch: latest-stable, flags: "-flto=auto -fuse-linker-plugin -ffunction-sections -Wno-error=inline"}
+          - {arch: aarch64, branch: latest-stable, flags: "-flto=auto -fuse-linker-plugin -ffunction-sections -Wno-error=inline -mfix-cortex-a53-835769 -mfix-cortex-a53-843419"}
+          - {arch: riscv64, branch: edge, flags: "-flto=auto -fuse-linker-plugin -ffunction-sections -Wno-error=inline"}
 
     steps:
     - name: Setup Alpine Linux
@@ -137,7 +137,7 @@ jobs:
       run: |
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER=${{ matrix.config.c }} -DCMAKE_CXX_COMPILER=${{ matrix.config.cpp }} -DCMAKE_C_FLAGS='${{ matrix.config.flags }} -flto=2' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }} -flto=2'
+        cmake .. -DCMAKE_C_COMPILER=${{ matrix.config.c }} -DCMAKE_CXX_COMPILER=${{ matrix.config.cpp }} -DCMAKE_C_FLAGS='${{ matrix.config.flags }} -flto=auto' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }} -flto=auto'
         make -j$(nproc) p2pool
 
     - name: Run RandomX tests
@@ -152,7 +152,7 @@ jobs:
         cd tests
         mkdir build
         cd build
-        cmake .. -DCMAKE_C_COMPILER=${{ matrix.config.c }} -DCMAKE_CXX_COMPILER=${{ matrix.config.cpp }} -DCMAKE_C_FLAGS='${{ matrix.config.flags }} -flto=2' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }} -flto=2'
+        cmake .. -DCMAKE_C_COMPILER=${{ matrix.config.c }} -DCMAKE_CXX_COMPILER=${{ matrix.config.cpp }} -DCMAKE_C_FLAGS='${{ matrix.config.flags }} -flto=auto' -DCMAKE_CXX_FLAGS='${{ matrix.config.flags }} -flto=auto'
         make -j$(nproc)
 
     - name: Run tests
@@ -175,7 +175,7 @@ jobs:
     strategy:
       matrix:
         config:
-          - {flags: "-flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline"}
+          - {flags: "-flto=auto -fuse-linker-plugin -ffunction-sections -Wno-error=inline"}
 
     steps:
     - name: Install dependencies
@@ -255,8 +255,8 @@ jobs:
     strategy:
       matrix:
         config:
-          - {os: ubuntu-20.04, flags: "-flto=2 -fuse-linker-plugin -ffunction-sections -mfix-cortex-a53-835769 -mfix-cortex-a53-843419"}
-          - {os: ubuntu-22.04, flags: "-flto=2 -fuse-linker-plugin -ffunction-sections -mfix-cortex-a53-835769 -mfix-cortex-a53-843419"}
+          - {os: ubuntu-20.04, flags: "-flto=auto -fuse-linker-plugin -ffunction-sections -mfix-cortex-a53-835769 -mfix-cortex-a53-843419"}
+          - {os: ubuntu-22.04, flags: "-flto=auto -fuse-linker-plugin -ffunction-sections -mfix-cortex-a53-835769 -mfix-cortex-a53-843419"}
 
     steps:
     - name: Install dependencies
@@ -627,7 +627,7 @@ jobs:
           - name: freebsd
             architecture: x86-64
             version: '13.2'
-            host: macos-latest
+            host: macos-13
 
     steps:
     - name: Checkout repository
@@ -646,36 +646,38 @@ jobs:
         operating_system: ${{ matrix.os.name }}
         architecture: ${{ matrix.os.architecture }}
         version: ${{ matrix.os.version }}
+        memory: 8G
+        cpu_count: 4
         shell: bash
         run: |
           sudo pkg install -y cmake
           cd external/src/curl
           cmake . -DCMAKE_C_FLAGS="-Os -flto" -DBUILD_CURL_EXE=OFF -DBUILD_SHARED_LIBS=OFF -DCURL_DISABLE_INSTALL=ON -DCURL_ENABLE_EXPORT_TARGET=OFF -DCURL_DISABLE_HEADERS_API=ON -DCURL_DISABLE_BINDLOCAL=ON -DBUILD_LIBCURL_DOCS=OFF -DCURL_ZLIB=OFF -DCURL_DISABLE_ALTSVC=ON -DCURL_DISABLE_COOKIES=ON -DCURL_DISABLE_DOH=ON -DCURL_DISABLE_GETOPTIONS=ON -DCURL_DISABLE_HSTS=ON -DCURL_DISABLE_LIBCURL_OPTION=ON -DCURL_DISABLE_MIME=ON -DCURL_DISABLE_NETRC=ON -DCURL_DISABLE_NTLM=ON -DCURL_DISABLE_PARSEDATE=ON -DCURL_DISABLE_PROGRESS_METER=ON -DCURL_DISABLE_SHUFFLE_DNS=ON -DCURL_DISABLE_SOCKETPAIR=ON -DCURL_DISABLE_VERBOSE_STRINGS=ON -DHTTP_ONLY=ON -DCURL_ENABLE_SSL=OFF -DUSE_LIBIDN2=OFF -DCURL_USE_LIBPSL=OFF -DCURL_USE_LIBSSH2=OFF -DENABLE_UNIX_SOCKETS=OFF
-          make -j3
+          make -j4
           cd lib && mkdir .libs && cp libcurl.a .libs
           cd ../../libuv
           mkdir build
           cd build
           cmake .. -DCMAKE_C_FLAGS='-Os -flto' -DBUILD_TESTING=OFF -DLIBUV_BUILD_SHARED=OFF
-          make -j3
+          make -j4
           cd ../../libzmq
           mkdir build
           cd build
           cmake .. -DCMAKE_C_FLAGS='-Os -flto' -DCMAKE_CXX_FLAGS='-Os -flto' -DWITH_LIBSODIUM=OFF -DWITH_LIBBSD=OFF -DBUILD_TESTS=OFF -DWITH_DOCS=OFF -DENABLE_DRAFTS=OFF -DBUILD_SHARED=OFF
-          make -j3
+          make -j4
           cd ../../../..
           mkdir build
           cd build
           cmake .. -DCMAKE_C_FLAGS='-flto' -DCMAKE_CXX_FLAGS='-flto' -DSTATIC_LIBS=ON
-          make -j3 p2pool
+          make -j4 p2pool
           ./p2pool --test
-          make -j3 randomx-tests
+          make -j4 randomx-tests
           external/src/RandomX/randomx-tests
           cd ../tests
           mkdir build
           cd build
           cmake .. -DCMAKE_C_FLAGS='-flto' -DCMAKE_CXX_FLAGS='-flto' -DSTATIC_LIBS=ON
-          make -j3
+          make -j4 p2pool_tests
           gunzip *.gz
           ./p2pool_tests
 
@@ -696,7 +698,7 @@ jobs:
           - name: openbsd
             architecture: x86-64
             version: '7.4'
-            host: macos-latest
+            host: macos-13
 
     steps:
     - name: Checkout repository
@@ -715,16 +717,18 @@ jobs:
         operating_system: ${{ matrix.os.name }}
         architecture: ${{ matrix.os.architecture }}
         version: ${{ matrix.os.version }}
+        memory: 8G
+        cpu_count: 4
         shell: bash
         run: |
           sudo pkg_add -I cmake libuv zeromq curl
           mkdir build && cd build
           cmake ..
-          make -j3 p2pool
+          make -j4 p2pool
           cd ../tests
           mkdir build && cd build
           cmake ..
-          make -j3 p2pool_tests
+          make -j4 p2pool_tests
           gunzip *.gz
           ./p2pool_tests