fix include of <execinfo.h>

[kevinushey]

Closes #1046.

Checklist

• Code compiles correctly
• R CMD check still passes all tests
• Preferably, new tests were added which fail without the change
• Document the changes by file in ChangeLog

[eddelbuettel]

The ifndef ... Enabled had me confused for a second.

But read as 'if not already enabled, derive from arch' it makes sense.

[codecov-io]

Codecov Report

Merging #1047 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1047   +/-   ##
=======================================
  Coverage   75.48%   75.48%           
=======================================
  Files          64       64           
  Lines        2778     2778           
=======================================
  Hits         2097     2097           
  Misses        681      681           

[coatless]

@kevinushey 👍

I can verify this fixes the issue on macOS.

`vroom` package install

✓  checking for file ‘/private/var/folders/b0/vt_1hj2d6yd8myx9lwh81pww0000gn/T/RtmpYITDct/remotes1809b4b7da2a/r-lib-vroom-3ba287c/DESCRIPTION’ ...
─  preparing ‘vroom’:
✓  checking DESCRIPTION meta-information ...
─  cleaning src
─  installing the package to process help pages
─  cleaning src (1m 36.2s)
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
─  looking to see if a ‘data/datalist’ file should be added
─  building ‘vroom_1.2.0.9000.tar.gz’
   
* installing *source* package ‘vroom’ ...
** using staged installation
** libs
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c Iconv.cpp -o Iconv.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c LocaleInfo.cpp -o LocaleInfo.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c RcppExports.cpp -o RcppExports.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c altrep.cc -o altrep.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c delimited_index.cc -o delimited_index.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c delimited_index_connection.cc -o delimited_index_connection.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c fixed_width_index_connection.cc -o fixed_width_index_connection.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c gen.cc -o gen.o
clang -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include  -fPIC  -Wall -g -O2  -c grisu3.c -o grisu3.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c guess_type.cc -o guess_type.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c index_collection.cc -o index_collection.o
clang -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include  -fPIC  -Wall -g -O2  -c localtime.c -o localtime.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom.cc -o vroom.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_big_int.cc -o vroom_big_int.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_chr.cc -o vroom_chr.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_date.cc -o vroom_date.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_dbl.cc -o vroom_dbl.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_dttm.cc -o vroom_dttm.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_fct.cc -o vroom_fct.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_fwf.cc -o vroom_fwf.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_int.cc -o vroom_int.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_num.cc -o vroom_num.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_rle.cc -o vroom_rle.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_time.cc -o vroom_time.o
clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG  -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/progress/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include" -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -Imio/include -DWIN32_LEAN_AND_MEAN -Ispdlog/include -fPIC  -Wall -g -O2  -c vroom_write.cc -o vroom_write.o
clang++ -std=gnu++11 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/Library/Frameworks/R.framework/Resources/lib -L/usr/local/lib -o vroom.so Iconv.o LocaleInfo.o RcppExports.o altrep.o delimited_index.o delimited_index_connection.o fixed_width_index_connection.o gen.o grisu3.o guess_type.o index_collection.o localtime.o vroom.o vroom_big_int.o vroom_chr.o vroom_date.o vroom_dbl.o vroom_dttm.o vroom_fct.o vroom_fwf.o vroom_int.o vroom_num.o vroom_rle.o vroom_time.o vroom_write.o -F/Library/Frameworks/R.framework/.. -framework R -Wl,-framework -Wl,CoreFoundation
installing to /Library/Frameworks/R.framework/Versions/3.6/Resources/library/00LOCK-vroom/00new/vroom/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (vroom)

[eddelbuettel]

Appreciate the additional confirmation.