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Move darwin sysroot determination into separate file

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The sysroot determination is fairly complex and will soon also be needed when
building with meson. Instead of duplicating the logic, move it to a dedicated
shell script invoked both by configure and meson.

Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Discussion: https://postgr.es/m/2180a97c-c026-1b6c-cec8-d6e499f97017@enterprisedb.com
This commit is contained in:
Andres Freund
2022-09-01 16:54:19 -07:00
parent 2f2b18bd3f
commit 05519126a0
2 changed files with 47 additions and 35 deletions
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41
src/template/darwin
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@ -3,41 +3,12 @@
# Note: Darwin is the original code name for macOS, also known as OS X.
# We still use "darwin" as the port name, partly because config.guess does.
# Select where system include files should be sought, if user didn't say.
if test x"$PG_SYSROOT" = x"" ; then
# This is far more complicated than it ought to be. We first ask
# "xcrun --show-sdk-path", which seems to match the default -isysroot
# setting of Apple's compilers.
PG_SYSROOT=`xcrun --show-sdk-path 2>/dev/null`
# That may fail, or produce a result that is not version-specific (i.e.,
# just ".../SDKs/MacOSX.sdk"). Using a version-specific sysroot seems
# desirable, so if the path is a non-version-specific symlink, expand it.
if test -L "$PG_SYSROOT"; then
if expr x"$PG_SYSROOT" : '.*[0-9]\.[0-9][^/]*$' >/dev/null ; then : okay
else
PG_SYSROOT=`expr "$PG_SYSROOT" : '\(.*\)/'`/`readlink "$PG_SYSROOT"`
fi
fi
# If there are still not digits in the directory name, try
# "xcrun --sdk macosx --show-sdk-path"; and if that still doesn't work,
# fall back to asking xcodebuild, which is often a good deal slower.
if expr x"$PG_SYSROOT" : '.*[0-9]\.[0-9][^/]*$' >/dev/null ; then : okay
else
PG_SYSROOT=`xcrun --sdk macosx --show-sdk-path 2>/dev/null`
if expr x"$PG_SYSROOT" : '.*[0-9]\.[0-9][^/]*$' >/dev/null ; then : okay
else
PG_SYSROOT=`xcodebuild -version -sdk macosx Path 2>/dev/null`
fi
fi
fi
# Validate the result: if it doesn't point at a directory, ignore it.
if test x"$PG_SYSROOT" != x"" ; then
if test -d "$PG_SYSROOT" ; then
CPPFLAGS="-isysroot $PG_SYSROOT $CPPFLAGS"
LDFLAGS="-isysroot $PG_SYSROOT $LDFLAGS"
else
PG_SYSROOT=""
fi
# Select where system include files should be sought
PG_SYSROOT=`${srcdir}/src/tools/darwin_sysroot $PG_SYSROOT`
if test -d "$PG_SYSROOT" ; then
CPPFLAGS="-isysroot $PG_SYSROOT $CPPFLAGS"
LDFLAGS="-isysroot $PG_SYSROOT $LDFLAGS"
fi
# Extra CFLAGS for code that will go into a shared library