MacOS: define CC, CXX etc. in Conan profile

Author: howetuft

.github/workflows/build.yml

@@ -168,11 +168,11 @@ jobs:
         with:
           script: |
             if ('${{ runner.arch }}' == 'X64') {
-              target = '10.15';
+              target = '13.0';
               arch='x86_64';
             }
             else {
-              target = '12.0';
+              target = '14.2';
               arch='armv8';
             }
             core.exportVariable('MACOSX_DEPLOYMENT_TARGET', target);
@@ -196,6 +196,9 @@ jobs:
         shell: bash
         run: |
             brew install ispc
+            brew install llvm
+            brew install libomp
+            export PATH=$(brew --prefix llvm)/bin:$PATH
             bash ${{ env.WORKSPACE }}/install-conan.sh
 
       - name: Build (Linux)

conan-profiles/conan-profile-macOS-ARM64

@@ -19,6 +19,9 @@ 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

@@ -2,7 +2,8 @@ include(conan-profile-common)
 
 [settings]
 os=Macos
-os.version=10.15
+# 13.0 is required by libomp
+os.version=13.0
 arch=x86_64
 compiler=apple-clang
 compiler.version=14.0
@@ -23,6 +24,9 @@ opensubdiv/*:with_metal=False
 [buildenv]
 CXX=clang++
 CC=clang
+AR=llvm-ar
+RANLIB=llvm-ranlib
+LD=ld.lld
 
 [conf]
 &:tools.build:cxxflags+=["-ftree-vectorize", "-march=x86-64-v3", "-O3", "-mno-avx2"]