Revert "MacOS: define CC, CXX etc. in Conan profile"

This reverts commit cfd4d80.

Author: howetuft

.github/workflows/build.yml

@@ -168,11 +168,11 @@ jobs:
         with:
           script: |
             if ('${{ runner.arch }}' == 'X64') {
-              target = '13.0';
+              target = '10.15';
               arch='x86_64';
             }
             else {
-              target = '14.2';
+              target = '12.0';
               arch='armv8';
             }
             core.exportVariable('MACOSX_DEPLOYMENT_TARGET', target);
@@ -196,16 +196,7 @@ jobs:
         shell: bash
         run: |
             brew install ispc
-            brew install llvm
-            brew install libomp
-
-            T=$(brew --prefix llvm)
-            ln -s $T/bin/llvm-install-name-tool $T/bin/install_name_tool
-
-            PATH=$T/bin:$PATH
-            export PATH
-
-            source ${{ env.WORKSPACE }}/install-conan.sh
+            bash ${{ env.WORKSPACE }}/install-conan.sh
 
       - name: Build (Linux)
         if: runner.os == 'Linux'
@@ -406,10 +397,10 @@ jobs:
           path: conan-cache
           key: deps-${{ matrix.os }}-${{ github.run_id }}
 
-      # For debugging
-      - name: Setup tmate session (debug)
-        if: ${{ failure() }}
-        uses: mxschmitt/action-tmate@v3
+      ## For debugging
+      #- name: Setup tmate session (debug)
+        #if: ${{ failure() }}
+        #uses: mxschmitt/action-tmate@v3
 
       # Upload artifacts
       - uses: actions/upload-artifact@v4

conan-profiles/conan-profile-macOS-ARM64

@@ -19,9 +19,6 @@ minizip-ng/*:with_libcomp=False
 [buildenv]
 CXX=clang++
 CC=clang
-AR=llvm-ar
-RANLIB=llvm-ranlib
-LD=ld.lld
 
 [conf]
 &:tools.build:cxxflags=["-O3"]

conan-profiles/conan-profile-macOS-X64

@@ -2,11 +2,10 @@ include(conan-profile-common)
 
 [settings]
 os=Macos
-# 13.0 is required by libomp
-os.version=13.0
+os.version=10.15
 arch=x86_64
 compiler=apple-clang
-compiler.version=15
+compiler.version=14.0
 compiler.cppstd={{ os.getenv("CXX_VERSION") }}
 compiler.libcxx=libc++
 
@@ -22,22 +21,9 @@ openvdb/*:simd=AVX
 opensubdiv/*:with_metal=False
 
 [buildenv]
-# https://www.gnu.org/software/make/manual/make.html#index-AR
-CXX=/usr/local/opt/llvm/bin/clang++
-CC=/usr/local/opt/llvm/bin/clang
-AR=/usr/local/opt/llvm/bin/llvm-ar
-RANLIB=/usr/local/opt/llvm/bin/llvm-ranlib
-LD=/usr/local/opt/llvm/bin/ld.lld
-OBJCOPY=/usr/local/opt/llvm/bin/llvm-objcopy
-OBJDUMP=/usr/local/opt/llvm/bin/llvm-objdump
-OTOOL=/usr/local/opt/llvm/bin/llvm-otool
-NM=/usr/local/opt/llvm/bin/llvm-nm
-LIBTOOL=/usr/local/opt/llvm/bin/llvm-libtool-darwin
-LIPO=/usr/local/opt/llvm/bin/llvm-lipo
-STRIP=/usr/local/opt/llvm/bin/llvm-strip
-
+CXX=clang++
+CC=clang
 
 [conf]
 &:tools.build:cxxflags+=["-ftree-vectorize", "-march=x86-64-v3", "-O3", "-mno-avx2"]
-&:tools.build:verbosity=verbose
 # NB: Github MacOS X64 runner does not support avx2 nor avx512