index 1868c147cbf114a6506dded7086bfdebdf0f940e..e14d53b601acfca5fb62680a342cafd320391c25 100644 (file)
if test x"$PG_SYSROOT" = x"" ; then
# This is far more complicated than it ought to be. We first ask
# "xcrun --show-sdk-path", which seems to match the default -isysroot
- # setting of Apple's compilers. However, that may produce no result or
- # a result that is not version-specific (i.e., just ".../SDKs/MacOSX.sdk").
- # Using a version-specific sysroot seems desirable, so if there are not
- # digits in the directory name, try "xcrun --sdk macosx --show-sdk-path";
- # and if that still doesn't work, fall back to asking xcodebuild,
- # which is often a good deal slower.
+ # setting of Apple's compilers.
PG_SYSROOT=`xcrun --show-sdk-path 2>/dev/null`
+ # That may fail, or produce a result that is not version-specific (i.e.,
+ # just ".../SDKs/MacOSX.sdk"). Using a version-specific sysroot seems
+ # desirable, so if the path is a non-version-specific symlink, expand it.
+ if test -L "$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`