Avoid repeated jobs

Author: nicodr97

.github/workflows/build.yml

@@ -45,31 +45,31 @@ jobs:
           shell-name: alpine-x86.sh
 
       - name: Build trimal for Linux x86
-        if: matrix.arch == 'x86' && matrix.cpu_instr == 'non-SIMD' 
+        if: matrix.arch == 'x86' && matrix.cpu_instr == 'non-SIMD' && matrix.os == 'alpine'
         run: cmake . -DDISABLE_SSE2=1 -DDISABLE_AVX2=1 && make && file bin/trimal && file bin/readal &&
           ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh 
         shell: alpine-x86.sh {0}
       - name: Build trimal for Linux x86 and SSE2
-        if: matrix.arch == 'x86' && matrix.cpu_instr == 'SSE2' 
+        if: matrix.arch == 'x86' && matrix.cpu_instr == 'SSE2' && matrix.os == 'alpine'
         run: cmake . -DDISABLE_AVX2=1 && make && file bin/trimal && file bin/readal &&
           ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh 
         shell: alpine-x86.sh {0}
       - name: Build trimal for Linux x86 and auto-selected SIMD (AVX2 if available)
-        if: matrix.arch == 'x86' && matrix.cpu_instr == 'auto-selected' 
+        if: matrix.arch == 'x86' && matrix.cpu_instr == 'auto-selected' && matrix.os == 'alpine'
         run: cmake . && make && file bin/trimal && file bin/readal &&
           ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh 
         shell: alpine-x86.sh {0}
 
       - name: Build trimal for Linux x86_64
-        if: matrix.arch == 'x86_64' && matrix.cpu_instr == 'non-SIMD' 
+        if: matrix.arch == 'x86_64' && matrix.cpu_instr == 'non-SIMD' && matrix.os == 'ubuntu'
         run: cmake . -DDISABLE_SSE2=1 -DDISABLE_AVX2=1 && make && file bin/trimal && file bin/readal &&
           ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh
       - name: Build trimal for Linux x86_64 and SSE2
-        if: matrix.arch == 'x86_64' && matrix.cpu_instr == 'SSE2' 
+        if: matrix.arch == 'x86_64' && matrix.cpu_instr == 'SSE2' && matrix.os == 'ubuntu'
         run: cmake . -DDISABLE_AVX2=1 && make && file bin/trimal && file bin/readal &&
           ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh
       - name: Build trimal for Linux x86_64 and auto-selected SIMD (AVX2 if available)
-        if: matrix.arch == 'x86_64' && matrix.cpu_instr == 'auto-selected' 
+        if: matrix.arch == 'x86_64' && matrix.cpu_instr == 'auto-selected' && matrix.os == 'ubuntu'
         run: cmake . && make && file bin/trimal && file bin/readal &&
           ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh
 
@@ -133,7 +133,7 @@ jobs:
             ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh
 
       - name: Build trimal for Linux aarch64
-        if: matrix.arch == 'aarch64' && matrix.cpu_instr == 'non-SIMD'
+        if: matrix.arch == 'aarch64' && matrix.cpu_instr == 'non-SIMD' && matrix.os == 'ubuntu'
         uses: uraimo/run-on-arch-action@v2
         # Emulate ARM architecture since it's not natively supported by GitHub. 
         # Warning about image and host platforms not matching may be ignored (https://github.com/uraimo/run-on-arch-action/issues/127#issuecomment-1605691328)
@@ -150,7 +150,7 @@ jobs:
             cmake . -DDISABLE_NEON=1 && make && file bin/trimal && file bin/readal &&
             ./scripts/generate_trimmed_msas.sh && ./scripts/compare_trimmed_msas.sh
       - name: Build trimal for Linux aarch64 and auto-selected SIMD (NEON)
-        if: matrix.arch == 'aarch64' && matrix.cpu_instr == 'auto-selected'
+        if: matrix.arch == 'aarch64' && matrix.cpu_instr == 'auto-selected' && matrix.os == 'ubuntu'
         uses: uraimo/run-on-arch-action@v2
         # Emulate ARM architecture since it's not natively supported by GitHub. 
         # Warning about image and host platforms not matching may be ignored (https://github.com/uraimo/run-on-arch-action/issues/127#issuecomment-1605691328)