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 Oehlschlägel
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
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