diff options
Diffstat (limited to 'src/tools/darwin_sysroot')
| -rwxr-xr-x | src/tools/darwin_sysroot | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/tools/darwin_sysroot b/src/tools/darwin_sysroot new file mode 100755 index 0000000..1cdf812 --- /dev/null +++ b/src/tools/darwin_sysroot @@ -0,0 +1,41 @@ +#!/bin/sh +# +# Select where system include files should be sought. If the user specified a +# sysroot, validate it. +# +# A separate script so it can be shared between autoconf and meson. + +PG_SYSROOT=$1 + +if test x"$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 + echo $PG_SYSROOT + fi +fi |