Update azure-pipelines.yml

Author: martin-frbg

azure-pipelines.yml

@@ -157,10 +157,10 @@ jobs:
         alpine() { /alpine/enter-chroot -u "$USER" "$@"; }
         sudo sh alpine-chroot-install -p 'build-base gfortran perl linux-headers sudo'
         alpine make DYNAMIC_ARCH=1 BINARY=64
-        alpine sh -c "echo ''|sudo -S make DYNAMIC_ARCH=1 BINARY=64 install"
-        alpine ls -l /opt/OpenBLAS/include
+        alpine make DYNAMIC_ARCH=1 BINARY=64 PREFIX=mytestdir install"
+        alpine ls -l mytestdir/include
         alpine echo "// tests that inclusion of openblas_config.h works with musl" >test_install.c
         alpine echo "#include <openblas_config.h>" >>test_install.c
         alpine echo "cpu_set_t* cpu_set = NULL;" >>test_install.c
-        alpine gcc -I/opt/OpenBLAS/include test_install.c -lopenblas -lpthread -lgfortran -o test_install
+        alpine gcc -Imytestdir/include test_install.c -lopenblas -lpthread -lgfortran -o test_install