[MacPorts] #70750: MacOS Sequoia: C++ headers are not found with CLTs installed

[MacPorts]

#70750: MacOS Sequoia: C++ headers are not found with CLTs installed
-----------------------+---------------------
  Reporter:  SaintBol  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  sequoia
      Port:            |
-----------------------+---------------------

Comment (by kencu):

 {{{
 % sudo rm -rf /Library/Developer/CommandLineTools

 % DEVELOPER_DIR=/Library/Developer/CommandLineTools/ clang++ -v -std=c++17
 -Wall -Werror -pedantic -o test test.cxx
 Apple clang version 16.0.0 (clang-1600.0.26.3)
 Target: arm64-apple-darwin24.0.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 ignoring nonexistent directory
 "/Library/Developer/CommandLineTools/usr/bin/../include/c++/v1"
  "/Library/Developer/CommandLineTools/usr/bin/clang" -cc1 -triple arm64
 -apple-macosx15.0.0 -Wundef-prefix=TARGET_OS_ -Wdeprecated-objc-isa-usage
 -Werror=deprecated-objc-isa-usage -Werror=implicit-function-declaration
 -emit-obj -mrelax-all -dumpdir test- -disable-free -clear-ast-before-
 backend -disable-llvm-verifier -discard-value-names -main-file-name
 test.cxx -mrelocation-model pic -pic-level 2 -mframe-pointer=non-leaf
 -fno-strict-return -ffp-contract=on -fno-rounding-math -funwind-tables=1
 -fobjc-msgsend-selector-stubs -target-sdk-version=15.0 -fvisibility-
 inlines-hidden-static-local-var -fno-modulemap-allow-subdirectory-search
 -target-cpu apple-m1 -target-feature +v8.5a -target-feature +aes -target-
 feature +crc -target-feature +dotprod -target-feature +fp-armv8 -target-
 feature +fp16fml -target-feature +lse -target-feature +ras -target-feature
 +rcpc -target-feature +rdm -target-feature +sha2 -target-feature +sha3
 -target-feature +neon -target-feature +zcm -target-feature +zcz -target-
 feature +fullfp16 -target-abi darwinpcs -debugger-tuning=lldb -target-
 linker-version 1115.7.3 -v -fcoverage-compilation-dir=/Users/cunningh
 -resource-dir /Library/Developer/CommandLineTools/usr/lib/clang/16
 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
 -I/usr/local/include -internal-isystem
 /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1
 -internal-isystem
 /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/local/include
 -internal-isystem
 /Library/Developer/CommandLineTools/usr/lib/clang/16/include -internal-
 externc-isystem
 /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -internal-
 externc-isystem /Library/Developer/CommandLineTools/usr/include -Wall
 -Werror -Wno-reorder-init-list -Wno-implicit-int-float-conversion
 -Wno-c99-designator -Wno-final-dtor-non-final-class -Wno-extra-semi-stmt
 -Wno-misleading-indentation -Wno-quoted-include-in-framework-header -Wno-
 implicit-fallthrough -Wno-enum-enum-conversion -Wno-enum-float-conversion
 -Wno-elaborated-enum-base -Wno-reserved-identifier -Wno-gnu-folding-
 constant -pedantic -std=c++17 -fdeprecated-macro -fdebug-compilation-
 dir=/Users/cunningh -ferror-limit 19 -stack-protector 1 -fstack-check
 -mdarwin-stkchk-strong-link -fblocks -fencode-extended-block-signature
 -fregister-global-dtors-with-atexit -fgnuc-version=4.2.1 -fno-cxx-modules
 -fcxx-exceptions -fexceptions -fmax-type-align=16 -fcommon -fcolor-
 diagnostics -clang-vendor-
 feature=+disableNonDependentMemberExprInCurrentInstantiation -fno-odr-
 hash-protocols -clang-vendor-feature=+enableAggressiveVLAFolding -clang-
 vendor-feature=+revert09abecef7bbf -clang-vendor-feature=+thisNoAlignAttr
 -clang-vendor-feature=+thisNoNullAttr -clang-vendor-
 feature=+disableAtImportPrivateFrameworkInImplementationError
 -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o
 /var/folders/97/nn3swcb52bg003_4bctdbyd80000gn/T/test-6b1fdb.o -x c++
 test.cxx
 clang -cc1 version 16.0.0 (clang-1600.0.26.3) default target arm64-apple-
 darwin24.0.0
 ignoring nonexistent directory "/usr/local/include"
 ignoring nonexistent directory
 "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/local/include"
 ignoring nonexistent directory
 "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/Library/Frameworks"
 #include "..." search starts here:
 #include <...> search starts here:
  /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1
  /Library/Developer/CommandLineTools/usr/lib/clang/16/include
  /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include
  /Library/Developer/CommandLineTools/usr/include
 /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks
 (framework directory)
 End of search list.
  "/Library/Developer/CommandLineTools/usr/bin/ld" -demangle -lto_library
 /Library/Developer/CommandLineTools/usr/lib/libLTO.dylib -no_deduplicate
 -dynamic -arch arm64 -platform_version macos 15.0.0 15.0 -syslibroot
 /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -mllvm -enable-
 linkonceodr-outlining -o test -L/usr/local/lib
 /var/folders/97/nn3swcb52bg003_4bctdbyd80000gn/T/test-6b1fdb.o -lc++
 -lSystem
 /Library/Developer/CommandLineTools/usr/lib/clang/16/lib/darwin/libclang_rt.osx.a
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/70750#comment:35>
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