I can compile a package under clang++ with -stdlib=libstdc++, but with -stdlib=libc++ I get
"
In file included from /home/jo/R/x86_64-pc-linux-gnu-library/4.0/Rcpp/include/Rcpp/r/headers.h:67:
/home/jo/R/x86_64-pc-linux-gnu-library/4.0/Rcpp/include/Rcpp/platform/compiler.h:100:10: fatal error: 'cmath' file not found
#include <cmath>
???????? ^~~~~~~
1 error generated.
"
Is there any howto for using Rcpp with -stdlib=libc++ ?
Greetings from Munich
Jens Oehlschl?gel
?
P.S.
Package Makevars
CXX_STD = CXX17
PKG_CXXFLAGS=-O3 -march=native -pthread
PKG_LIBS=-latomic -pthread
~.R/Makevars
CXX17 = clang++ -stdlib=libc++
CXX17FLAGS = -fstack-protector-strong -D_FORTIFY_SOURCE=2 -g $(LTO)
CXX17STD = -std=c++17
packageVersion("Rcpp")
[1] ?1.0.5?
version
?????????????? _??????????????????????????
platform?????? x86_64-pc-linux-gnu????????
arch?????????? x86_64?????????????????????
os???????????? linux-gnu??????????????????
system???????? x86_64, linux-gnu??????????
status????????????????????????????????????
major????????? 4??????????????????????????
minor????????? 0.2????????????????????????
year?????????? 2020???????????????????????
month????????? 06?????????????????????????
day??????????? 22?????????????????????????
svn rev??????? 78730??????????????????????
language?????? R??????????????????????????
version.string R version 4.0.2 (2020-06-22)
nickname?????? Taking Off Again