clang manual compile R package

gistfile1.txt

# Run script anywhere in R package directory to manually run a clang pedantic check on all src files
cpp_flgs <- c_flgs <- "-Wall -pedantic -Werror"                                     
setwd (here::here ("src"))                                                          
cmd_base <- paste ("-I/usr/share/R/include -DNDEBUG",                               
                  "-I\"/usr/local/lib/R/site-library/Rcpp/include\" -fpic",         
                  "-g -O2 -fstack-protector-strong -Wformat",                       
                  "-Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g")     
flist_c <- list.files (".", pattern = "\\.c$")                                      
for (f in flist_c)                                                                  
{                                                                                   
    obj <- paste0 (tools::file_path_sans_ext (f), ".o")                             
    cmd <- paste ("clang -std=gnu99", cmd_base, c_flgs,                             
                  "-c", f, "-o", obj)                                               
    message (cmd)                                                                   
    system (cmd)                                                                    
}                                                                                   
                                                                                    
flist_cpp <- list.files (".", pattern = "\\.cpp")                                   
for (f in flist_cpp)                                                                
{                                                                                   
    obj <- paste0 (tools::file_path_sans_ext (f), ".o")                             
    cmd <- paste ("clang++ -std=gnu++11", cmd_base, cpp_flgs,                       
                  "-c", f, "-o", obj)                                               
    message (cmd)                                                                   
    system (cmd)                                                                    
}