gcc -xc -E -v -
Using built-in specs.
COLLECT_GCC=gcc
Target: x86_64-apple-darwin19
Configured with: ../configure --prefix=/usr/local/opt/gcc --libdir=/usr/local/opt/gcc/lib/gcc/current --disable-nls --enable-checking=release --with-gcc-major-version-only --enable-languages=c,c++,objc,obj-c++,fortran --program-suffix=-12 --with-gmp=/usr/local/opt/gmp --with-mpfr=/usr/local/opt/mpfr --with-mpc=/usr/local/opt/libmpc --with-isl=/usr/local/opt/isl --with-zstd=/usr/local/opt/zstd --with-pkgversion='Homebrew GCC 12.2.0' --with-bugurl=https://github.com/Homebrew/homebrew-core/issues --with-system-zlib --build=x86_64-apple-darwin19 --with-sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.2.0 (Homebrew GCC 12.2.0)
COLLECT_GCC_OPTIONS='-E' '-v' '-mmacosx-version-min=10.15.0' '-asm_macosx_version_min=10.15' '-nodefaultexport' '-mtune=core2'
 /usr/local/Cellar/gcc/12.2.0/bin/../libexec/gcc/x86_64-apple-darwin19/12/cc1 -E -quiet -v -iprefix /usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/x86_64-apple-darwin19/12/ -D__DYNAMIC__ - -fPIC -mmacosx-version-min=10.15.0 -mtune=core2 -dumpbase -
ignoring nonexistent directory "/usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/x86_64-apple-darwin19/12/../../../../../../x86_64-apple-darwin19/include"
ignoring duplicate directory "/usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/../../../../lib/gcc/current/gcc/x86_64-apple-darwin19/12/include"
ignoring nonexistent directory "/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/local/include"
ignoring duplicate directory "/usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/../../../../lib/gcc/current/gcc/x86_64-apple-darwin19/12/include-fixed"
ignoring nonexistent directory "/usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/../../../../lib/gcc/current/gcc/x86_64-apple-darwin19/12/../../../../../../x86_64-apple-darwin19/include"
ignoring nonexistent directory "/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/Library/Frameworks"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/x86_64-apple-darwin19/12/include
 /usr/local/Cellar/gcc/12.2.0/bin/../lib/gcc/current/gcc/x86_64-apple-darwin19/12/include-fixed
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/System/Library/Frameworks
End of search list.