last updates for config section

Signed-off-by: Gregory Becker <becker33@llnl.gov>

Author: becker33

outputs/config/0.compiler_flags.out

@@ -1,7 +1,7 @@
-$ spack spec zlib%gcc@11.4.0
- -   zlib@1.3.1 cppflags=-g +optimize+pic+shared build_system=makefile arch=linux-ubuntu22.04-x86_64 %c,cxx=gcc@11.4.0
- -       ^compiler-wrapper@1.0 build_system=generic arch=linux-ubuntu22.04-x86_64
-[e]      ^gcc@11.4.0~binutils+bootstrap~graphite~nvptx~piclibs~profiled~strip build_system=autotools build_type=RelWithDebInfo languages:='c,c++,fortran' arch=linux-ubuntu22.04-x86_64
- -       ^gcc-runtime@11.4.0 cppflags=-g  build_system=generic arch=linux-ubuntu22.04-x86_64
-[e]      ^glibc@2.35 build_system=autotools arch=linux-ubuntu22.04-x86_64
- -       ^gmake@4.4.1 cppflags=-g ~guile build_system=generic arch=linux-ubuntu22.04-x86_64 %c=gcc@11.4.0
+$ spack spec zlib%gcc@10
+ -   zlib@1.3.1 cppflags=-g +optimize+pic+shared build_system=makefile arch=linux-ubuntu22.04-x86_64_v3 %c,cxx=gcc@10.5.0
+[+]      ^compiler-wrapper@1.0 build_system=generic arch=linux-ubuntu22.04-x86_64_v3
+[e]      ^gcc@10.5.0~binutils+bootstrap~graphite~nvptx~piclibs~profiled~strip build_system=autotools build_type=RelWithDebInfo languages:='c,c++,fortran' patches:=2c18531 arch=linux-ubuntu22.04-x86_64_v3
+ -       ^gcc-runtime@10.5.0 cppflags=-g  build_system=generic arch=linux-ubuntu22.04-x86_64_v3
+[e]      ^glibc@2.35 build_system=autotools arch=linux-ubuntu22.04-x86_64_v3
+ -       ^gmake@4.4.1 cppflags=-g ~guile build_system=generic arch=linux-ubuntu22.04-x86_64_v3 %c=gcc@10.5.0

tutorial_configuration.rst

@@ -298,13 +298,13 @@ Let's open our compilers configuration file again and add a compiler flag:
    packages:
      gcc:
        externals:
-       - spec: gcc@11.4.0 languages:='c,c++,fortran'
+       - spec: gcc@10.5.0 languages:='c,c++,fortran'
          prefix: /usr
          extra_attributes:
            compilers:
-             c: /usr/bin/gcc
-             cxx: /usr/bin/g++
-             fortran: /usr/bin/gfortran
+             c: /usr/bin/gcc-10
+             cxx: /usr/bin/g++-10
+             fortran: /usr/bin/gfortran-10
            flags:
              cppflags: -g
 
@@ -511,7 +511,6 @@ Here, we've told Spack that Curl 7.81.0 is installed on our system.
 We've also told it the installation prefix where Curl can be found.
 We don't know exactly which variants it was built with, but that's okay.
 Finally, we set ``buildable: false`` to require that Spack not try to build its own.
-The cmake config isn't strictly required, but you might get a strange concretization without it.
 
 .. The weighting/preferences dont work quite the same so I skipped right to buildable:false
 
@@ -533,7 +532,7 @@ To express that we don't want any other MPI installed, we can use the virtual ``
 While we're editing the ``spack.yaml`` file, make sure to configure HDF5 to be able to build with MPI again:
 
 .. code-block:: yaml
-   :emphasize-lines: 19-24
+   :emphasize-lines: 12,18-21
 
    spack:
      specs: []
@@ -546,6 +545,7 @@ While we're editing the ``spack.yaml`` file, make sure to configure HDF5 to be a
          - "%llvm"
        mpi:
          require: mpich
+         buildable: false
        curl:
          externals:
          - spec: curl@7.81.0 %gcc@11.4.0
@@ -555,8 +555,6 @@ While we're editing the ``spack.yaml`` file, make sure to configure HDF5 to be a
          externals:
          - spec: mpich@4.0+hydra device=ch4 netmod=ofi
            prefix: /usr
-       mpi:
-         buildable: false
 
 .. 3.externals.out has mpich
 .. The concretization result is strange and enables some qt stuff that makes it huge