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53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
# Configures the build to use the GCC toolchain in /opt/mongodbtoolchain/v4
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import os
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import subprocess
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import SCons.Defaults
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toolchain_root = SCons.Script.Main.GetOption('toolchain-root')
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if not toolchain_root:
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toolchain_root = '/opt/mongodbtoolchain/v4'
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toolchain_bindir = os.path.join(toolchain_root, 'bin')
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# Get the default SCons path as a list
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default_path = SCons.Defaults.DefaultEnvironment()['ENV']['PATH'].split(os.pathsep)
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# Put the toolchain path first so we prefer all tools from there in subprocs
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ENV = {
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'PATH' : os.pathsep.join([toolchain_bindir] + default_path)
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}
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# TODO BUILD-16594
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# This is temporary workaround so that gcc can find the LLVM lld from the toolchain
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# until we can build this into the toolchain's default search paths
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LINKFLAGS_COMPILER_EXEC_PREFIX = f'{toolchain_bindir}'
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# Set any Variables for Tools from the toolchain here. Technically, we
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# shouldn't need the full paths since SCons will find the toolchain
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# ones first, but we don't want to accidentally get the system version
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# if, say, the toolchain is missing. Also, it is clearer that we are
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# getting the right toolchain in build log output when the path is
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# printed for each compiler invocation.
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CC = os.path.join(toolchain_bindir, 'clang')
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CXX = os.path.join(toolchain_bindir, 'clang++')
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DWP = os.path.join(toolchain_bindir, 'dwp')
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READELF = os.path.join(toolchain_bindir, 'readelf')
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GDB = os.path.join(toolchain_bindir, 'gdb')
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try:
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AR = subprocess.check_output([CXX, '-print-prog-name=ar']).decode('utf-8').strip()
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AS = subprocess.check_output([CXX, '-print-prog-name=as']).decode('utf-8').strip()
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OBJCOPY = subprocess.check_output([CXX, '-print-prog-name=objcopy']).decode('utf-8').strip()
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LLVM_SYMBOLIZER = subprocess.check_output([CXX, '-print-prog-name=llvm-symbolizer']).decode('utf-8').strip()
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except subprocess.CalledProcessError as e:
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print("Failed while invoking toolchain binary " + CXX + ": " + e.output)
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SCons.Script.Exit(-1)
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except OSError as e:
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print("Failed to invoke toolchain binary " + CXX + ": " + str(e))
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SCons.Script.Exit(-1)
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DWARF_VERSION=4
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