42 lines
1.5 KiB
Bash
Executable File
42 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# Select where system include files should be sought. If the user specified a
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# sysroot, validate it.
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#
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# A separate script so it can be shared between autoconf and meson.
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PG_SYSROOT=$1
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if test x"$PG_SYSROOT" = x"" ; then
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# This is far more complicated than it ought to be. We first ask
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# "xcrun --show-sdk-path", which seems to match the default -isysroot
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# setting of Apple's compilers.
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PG_SYSROOT=`xcrun --show-sdk-path 2>/dev/null`
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# That may fail, or produce a result that is not version-specific (i.e.,
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# just ".../SDKs/MacOSX.sdk"). Using a version-specific sysroot seems
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# desirable, so if the path is a non-version-specific symlink, expand it.
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if test -L "$PG_SYSROOT"; then
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if expr x"$PG_SYSROOT" : '.*[0-9]\.[0-9][^/]*$' >/dev/null ; then : okay
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else
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PG_SYSROOT=`expr "$PG_SYSROOT" : '\(.*\)/'`/`readlink "$PG_SYSROOT"`
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fi
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fi
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# If there are still not digits in the directory name, try
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# "xcrun --sdk macosx --show-sdk-path"; and if that still doesn't work,
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# fall back to asking xcodebuild, which is often a good deal slower.
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if expr x"$PG_SYSROOT" : '.*[0-9]\.[0-9][^/]*$' >/dev/null ; then : okay
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else
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PG_SYSROOT=`xcrun --sdk macosx --show-sdk-path 2>/dev/null`
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if expr x"$PG_SYSROOT" : '.*[0-9]\.[0-9][^/]*$' >/dev/null ; then : okay
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else
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PG_SYSROOT=`xcodebuild -version -sdk macosx Path 2>/dev/null`
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fi
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fi
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fi
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# Validate the result: if it doesn't point at a directory, ignore it.
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if test x"$PG_SYSROOT" != x"" ; then
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if test -d "$PG_SYSROOT" ; then
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echo $PG_SYSROOT
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fi
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fi
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