GHA: Simplify macOS builds

Reduce redundant configuration.

Change-Id: Ie922ce67685228eb7043749a7f1a61a33be678d2
Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>
Acked-by: Arne Schwabe <arne-openvpn@rfc2549.org>
Acked-by: Yuriy Darnobyt <yura.uddr@gmail.com>
Message-Id: <20241015205643.25779-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg29552.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>

.github/workflows/build.yaml

@@ -211,18 +211,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ssllib: [ openssl11, openssl3, libressl]
-        build: [ normal, asan ]
+        ssllib: [openssl@1.1, openssl@3, libressl]
+        build: [normal, asan]
         os: [macos-13, macos-14, macos-15]
         include:
-           # macos14 and newer runners use ARM CPUs and homebrew uses /opt/homebrew/
-           # on ARM instead of /usr/local/
-          - os: macos-13
-            homebrew: /usr/local/opt
-          - os: macos-14
-            homebrew: /opt/homebrew/opt
-          - os: macos-15
-            homebrew: /opt/homebrew/opt
           - build: asan
             cflags: "-fsanitize=address,undefined -fno-sanitize-recover=all  -fno-optimize-sibling-calls -fsanitize-address-use-after-scope -fno-omit-frame-pointer -g -O1"
             ldflags: -fsanitize=address,undefined -fno-sanitize-recover=all
@@ -232,35 +224,30 @@ jobs:
             cflags: "-O2 -g"
             ldflags: ""
             configureflags: ""
-          - ssllib: openssl11
-            libdir: openssl@1.1
-            configuressllib: ""
-          - ssllib: openssl3
-            libdir: openssl@3
-            configuressllib: ""
-          - ssllib: libressl
-            libdir: libressl
-            configuressllib: "--with-openssl-engine=no"
 
     runs-on: ${{matrix.os}}
-    name: "${{matrix.os}} - ${{matrix.libdir}} - ${{matrix.build}}"
+    name: "${{matrix.os}} - ${{matrix.ssllib}} - ${{matrix.build}}"
     env:
       CFLAGS: ${{ matrix.cflags }}
       LDFLAGS: ${{ matrix.ldflags }}
-      OPENSSL_CFLAGS: "-I${{matrix.homebrew}}/${{matrix.libdir}}/include"
-      OPENSSL_LIBS: "-L${{matrix.homebrew}}/${{matrix.libdir}}/lib -lcrypto -lssl"
-      LZO_CFLAGS: "-I${{matrix.homebrew}}/lzo/include"
-      LZO_LIBS: "-L${{matrix.homebrew}}/lzo/lib -llzo2"
       UBSAN_OPTIONS: print_stacktrace=1
     steps:
       - name: Install dependencies
-        run: brew install openssl@1.1 openssl@3 lzo lz4 man2html cmocka libtool automake autoconf libressl
+        run: brew install ${{matrix.ssllib}} lzo lz4 man2html cmocka libtool automake autoconf
       - name: Checkout OpenVPN
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+      - name: Set environment
+        run: |
+          cat >>$GITHUB_ENV <<EOF;
+          OPENSSL_CFLAGS=-I$(brew --prefix ${{matrix.ssllib}})/include
+          OPENSSL_LIBS=-L$(brew --prefix ${{matrix.ssllib}})/lib -lcrypto -lssl
+          LZO_CFLAGS=-I$(brew --prefix lzo)/include
+          LZO_LIBS=-L$(brew --prefix lzo)/lib -llzo2
+          EOF
       - name: autoconf
         run: autoreconf -fvi
       - name: configure
-        run: ./configure --enable-werror ${{matrix.configureflags}} ${{matrix.configuressllib}}
+        run: ./configure --enable-werror ${{matrix.configureflags}}
       - name: make all
         run: make -j4
       - name: configure checks