On 23 April 2012 05:20, Jeffrey Walton wrote: > Hi All, > > http://www.gnu.org/software/gsl/manual/html_node/GCC-warning-options-for-numerical-programs.html > recommends the following: > > gcc -ansi -pedantic -Werror -Wall -W > -Wmissing-prototypes -Wstrict-prototypes > -Wconversion -Wshadow -Wpointer-arith > -Wcast-qual -Wcast-align > -Wwrite-strings -Wnested-externs > -fshort-enums -fno-common -Dinline= -g -O2 > > Is it possible to efficiently tell which of the above options are not > included with -Wall -Wextra? There are only nine of them, look them up in the manual and see if it says "This option is enabled by -Wall" > Wouldn't -Weverything be easier on folks who really want to know about > all errata? Its a helpful Clang switch. The switches above are not all warnings, a -Weverything would turn on a lot more and increase the number of false positives.
