On 29/08/2020 19:38, Duncan Murdoch wrote:
I seem to have got past this error by reinstalling Xcode. I'm not sure
what went wrong with the old install; I'm pretty sure I did an R-devel
build since installing Catalina.
This seems to come from a CLT update: my Catalina box updated to 12.0
beta 5 overnight. And that has defaulted the SDK to 11.0.
I wish they would not do that -- it is not the first time they have
installed a beta CLT without asking and set the SDK for a future OS.
I have tweaked configure for R-devel and R-patched so they install, but
likely the better answer for me is to downgrade the CLT to 11.5 or set
an SDK.
Duncan Murdoch
On 28/08/2020 10:41 a.m., Duncan Murdoch wrote:
I'm trying to build R-devel in Catalina for the first time in a few
weeks, and configure is dying with this error:
checking whether bzip2 support suffices... configure: error: bzip2
library and headers are required
I tried a Homebrew install of bzip2, and it didn't help.
When I look in config.log, I see this:
configure:45424: checking if bzip2 version >= 1.0.6
configure:45452: gcc -o conftest -g -O2 -I/usr/local/opt/libffi/include
-L/usr/local/opt/libffi/lib conftest.c -lbz2 -lz -licucore -ldl -lm
-liconv >&5
conftest.c:250:11: warning: initializing 'char *' with an expression of
type 'const char *' discards qualifiers
[-Wincompatible-pointer-types-discards-qualifiers]
char *ver = BZ2_bzlibVersion();
^ ~~~~~~~~~~~~~~~~~~
conftest.c:251:5: error: implicitly declaring library function 'exit'
with type 'void (int) __attribute__((noreturn))'
[-Werror,-Wimplicit-function-declaration]
exit(strcmp(ver, "1.0.6") < 0);
^
conftest.c:251:5: note: include the header <stdlib.h> or explicitly
provide a declaration for 'exit'
conftest.c:251:10: error: implicitly declaring library function 'strcmp'
with type 'int (const char *, const char *)'
[-Werror,-Wimplicit-function-declaration]
exit(strcmp(ver, "1.0.6") < 0);
^
conftest.c:251:10: note: include the header <string.h> or explicitly
provide a declaration for 'strcmp'
1 warning and 2 errors generated.
Suggestions for fixing this?
Duncan Murdoch
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Brian D. Ripley, rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
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