To avoid the sorts of problems complained of by Jakob Egger, it'd be
best if configure didn't emit any references to the sysroot path at all.
In the case of PL/Tcl, we can do that just by keeping our hands off the
TCL_INCLUDE_SPEC string altogether. In the case of PL/Perl, we need to
substitute -iwithsysroot for -I in the compile commands, which is easily
handled if we change to using a configure output variable that includes
the switch not only the directory name. Since PL/Tcl and PL/Python
already do it like that, this seems like good consistency cleanup anyway.
Hence, this replaces the advice given to Perl-related extensions in commit
5e2217131; instead of writing "-I$(perl_archlibexp)/CORE", they should
just write "$(perl_includespec)". (The old way continues to work, but not
on recent macOS.)
It's still the case that configure needs to be aware of the sysroot
path internally, but that's cleaner than what we had before.
As before, back-patch to all supported versions.
Discussion: https://postgr.es/m/20840.
1537850987@sss.pgh.pa.us
PYTHON
perl_embed_ldflags
perl_embed_ccflags
-perl_includedir
+perl_includespec
perl_useshrplib
perl_privlibexp
perl_archlibexp
PL/Perl." "$LINENO" 5
fi
# On most platforms, archlibexp is also where the Perl include files live ...
- perl_includedir="$perl_archlibexp"
- # ... but on some macOS versions, we must look under $PG_SYSROOT instead
- if test x"$PG_SYSROOT" != x"" ; then
+ perl_includespec="-I$perl_archlibexp/CORE"
+ # ... but on newer macOS versions, we must use -iwithsysroot to look
+ # under $PG_SYSROOT
+ if test \! -f "$perl_archlibexp/CORE/perl.h" ; then
if test -f "$PG_SYSROOT$perl_archlibexp/CORE/perl.h" ; then
- perl_includedir="$PG_SYSROOT$perl_archlibexp"
+ perl_includespec="-iwithsysroot $perl_archlibexp/CORE"
fi
fi
as_fn_error $? "cannot build PL/Tcl because Tcl is not a shared library
Use --without-tcl to disable building PL/Tcl." "$LINENO" 5
fi
- # Some macOS versions report an include spec that uses -iwithsysroot.
- # We don't really want to use -isysroot, so translate that if we can.
- if test x"$PG_SYSROOT" != x"" ; then
- TCL_INCLUDE_SPEC="`echo "$TCL_INCLUDE_SPEC" | sed "s|-iwithsysroot */|-I $PG_SYSROOT/|"`"
- fi
# now that we have TCL_INCLUDE_SPEC, we can check for
ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
if test "$with_perl" = yes; then
ac_save_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -I$perl_includedir/CORE"
+ CPPFLAGS="$CPPFLAGS $perl_includespec"
ac_fn_c_check_header_compile "$LINENO" "perl.h" "ac_cv_header_perl_h" "#include
"
if test "x$ac_cv_header_perl_h" = xyes; then :
PL/Perl.])
fi
# On most platforms, archlibexp is also where the Perl include files live ...
- perl_includedir="$perl_archlibexp"
- # ... but on some macOS versions, we must look under $PG_SYSROOT instead
- if test x"$PG_SYSROOT" != x"" ; then
+ perl_includespec="-I$perl_archlibexp/CORE"
+ # ... but on newer macOS versions, we must use -iwithsysroot to look
+ # under $PG_SYSROOT
+ if test \! -f "$perl_archlibexp/CORE/perl.h" ; then
if test -f "$PG_SYSROOT$perl_archlibexp/CORE/perl.h" ; then
- perl_includedir="$PG_SYSROOT$perl_archlibexp"
+ perl_includespec="-iwithsysroot $perl_archlibexp/CORE"
fi
fi
- AC_SUBST(perl_includedir)dnl
+ AC_SUBST(perl_includespec)dnl
PGAC_CHECK_PERL_EMBED_CCFLAGS
PGAC_CHECK_PERL_EMBED_LDFLAGS
fi
AC_MSG_ERROR([cannot build PL/Tcl because Tcl is not a shared library
Use --without-tcl to disable building PL/Tcl.])
fi
- # Some macOS versions report an include spec that uses -iwithsysroot.
- # We don't really want to use -isysroot, so translate that if we can.
- if test x"$PG_SYSROOT" != x"" ; then
- TCL_INCLUDE_SPEC="`echo "$TCL_INCLUDE_SPEC" | sed "s|-iwithsysroot */|-I $PG_SYSROOT/|"`"
- fi
# now that we have TCL_INCLUDE_SPEC, we can check for
ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
if test "$with_perl" = yes; then
ac_save_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -I$perl_includedir/CORE"
+ CPPFLAGS="$CPPFLAGS $perl_includespec"
AC_CHECK_HEADER(perl.h, [], [AC_MSG_ERROR([header file
is required for Perl])], [#include ])
# While we're at it, check that we can link to libperl.
SHLIB_LINK += $(perl_embed_ldflags)
endif
-# As with plperl we need to make sure that the CORE directory is included
-# last, probably because it sometimes contains some header files with names
-# that clash with some of ours, or with some that we include, notably on
-# Windows.
-override CPPFLAGS := $(CPPFLAGS) $(perl_embed_ccflags) -I$(perl_includedir)/CORE
+# As with plperl we need to include the perl_includespec directory last.
+override CPPFLAGS := $(CPPFLAGS) $(perl_embed_ccflags) $(perl_includespec)
endif
perl_archlibexp = @perl_archlibexp@
perl_privlibexp = @perl_privlibexp@
-perl_includedir = @perl_includedir@
+perl_includespec = @perl_includespec@
perl_embed_ccflags = @perl_embed_ccflags@
perl_embed_ldflags = @perl_embed_ldflags@
override CPPFLAGS += -Wno-comment
endif
-# Note: we need to make sure that the CORE directory is included last,
+# Note: we need to include the perl_includespec directory last,
# probably because it sometimes contains some header files with names
# that clash with some of ours, or with some that we include, notably on
# Windows.
-override CPPFLAGS := -I. -I$(srcdir) $(CPPFLAGS) $(perl_embed_ccflags) -I$(perl_includedir)/CORE
+override CPPFLAGS := -I. -I$(srcdir) $(CPPFLAGS) $(perl_embed_ccflags) $(perl_includespec)
+# this is often, but not always, the same directory named by perl_includespec
rpathdir = $(perl_archlibexp)/CORE
PGFILEDESC = "PL/Perl - procedural language"
# Note: Darwin is the original code name for macOS, also known as OS X.
# We still use "darwin" as the port name, partly because config.guess does.
-# Select where some include files should be sought.
-# We may eventually be forced to use "-isysroot" with this value,
-# but for now, it only affects Perl and Tcl include files.
+# Some configure tests require explicit knowledge of where the Xcode "sysroot"
+# is. We try to avoid having this leak into configure's results, though.
if test x"$PG_SYSROOT" = x"" ; then
PG_SYSROOT=`xcodebuild -version -sdk macosx Path 2>/dev/null`
fi
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