117 lines
4.2 KiB
Python
117 lines
4.2 KiB
Python
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#!/usr/bin/env python3
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"""
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Based on Dolphin's BuildMacOSUniversalBinary.py
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"""
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import filecmp
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import glob
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import os
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import shutil
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def lipo(path0, path1, dst):
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if subprocess.call(["lipo", "-create", "-output", dst, path0, path1]) != 0:
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print(f"WARNING: {path0} and {path1} cannot be lipo'd")
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shutil.copy(path0, dst)
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def recursive_merge_binaries(src0, src1, dst):
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"""
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Merges two build trees together for different architectures into a single
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universal binary.
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The rules for merging are:
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1) Files that exist in either src tree are copied into the dst tree
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2) Files that exist in both trees and are identical are copied over
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unmodified
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3) Files that exist in both trees and are non-identical are lipo'd
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4) Symlinks are created in the destination tree to mirror the hierarchy in
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the source trees
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"""
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# Check that all files present in the folder are of the same type and that
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# links link to the same relative location
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for newpath0 in glob.glob(src0+"/*"):
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filename = os.path.basename(newpath0)
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newpath1 = os.path.join(src1, filename)
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if not os.path.exists(newpath1):
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continue
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if os.path.islink(newpath0) and os.path.islink(newpath1):
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if os.path.relpath(newpath0, src0) == os.path.relpath(newpath1, src1):
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continue
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if os.path.isdir(newpath0) and os.path.isdir(newpath1):
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continue
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# isfile() can be true for links so check that both are not links
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# before checking if they are both files
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if (not os.path.islink(newpath0)) and (not os.path.islink(newpath1)):
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if os.path.isfile(newpath0) and os.path.isfile(newpath1):
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continue
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raise Exception(f"{newpath0} and {newpath1} cannot be " +
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"merged into a universal binary because they are of " +
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"incompatible types. Perhaps the installed libraries" +
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" are from different versions for each architecture")
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for newpath0 in glob.glob(src0+"/*"):
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filename = os.path.basename(newpath0)
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newpath1 = os.path.join(src1, filename)
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new_dst_path = os.path.join(dst, filename)
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if os.path.islink(newpath0):
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# Symlinks will be fixed after files are resolved
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continue
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if not os.path.exists(newpath1):
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if os.path.isdir(newpath0):
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shutil.copytree(newpath0, new_dst_path)
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else:
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shutil.copy(newpath0, new_dst_path)
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continue
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if os.path.isdir(newpath1):
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os.mkdir(new_dst_path)
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recursive_merge_binaries(newpath0, newpath1, new_dst_path)
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continue
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if filecmp.cmp(newpath0, newpath1):
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shutil.copy(newpath0, new_dst_path)
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else:
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lipo(newpath0, newpath1, new_dst_path)
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# Loop over files in src1 and copy missing things over to dst
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for newpath1 in glob.glob(src1+"/*"):
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filename = os.path.basename(newpath1)
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newpath0 = os.path.join(src0, filename)
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new_dst_path = os.path.join(dst, filename)
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if (not os.path.exists(newpath0)) and (not os.path.islink(newpath1)):
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if os.path.isdir(newpath1):
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shutil.copytree(newpath1, new_dst_path)
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else:
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shutil.copy(newpath1, new_dst_path)
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# Fix up symlinks for path0
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for newpath0 in glob.glob(src0+"/*"):
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filename = os.path.basename(newpath0)
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new_dst_path = os.path.join(dst, filename)
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if os.path.islink(newpath0):
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relative_path = os.path.relpath(os.path.realpath(newpath0), src0)
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os.symlink(relative_path, new_dst_path)
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# Fix up symlinks for path1
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for newpath1 in glob.glob(src1+"/*"):
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filename = os.path.basename(newpath1)
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new_dst_path = os.path.join(dst, filename)
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newpath0 = os.path.join(src0, filename)
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if os.path.islink(newpath1) and not os.path.exists(newpath0):
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relative_path = os.path.relpath(os.path.realpath(newpath1), src1)
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os.symlink(relative_path, new_dst_path)
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if __name__ == "__main__":
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recursive_merge_binaries(sys.argv[1], sys.argv[2], sys.argv[3])
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