(Verified Answers) (Latest Update 2025) UPDATE!!
-o, -Wall, -pedantic, -std=c99 in makefiles what do each of these do - (ANSWER)-
o: names the executable/output file
-Wall: activates all warnings
-pedantic: really picking with warnings
-std=c99: uses c99 standard for compiling
-E in makefile - (ANSWER)processor translates directives into more c code, inserts
all code from stdio.h
-c in makefile - (ANSWER)compiler converts c code into object code
makefile linker - (ANSWER)connects object code to standard or non standard
libraries
how to link and create libraries in makefile - (ANSWER)link library -l(name of
library)
-L. provides path to library that isn't in defaults
-fPIC in makefile - (ANSWER)creates position independent code, doesn't assume
where in memory your code will be
-shared in makefile - (ANSWER)creates a shared library
, .so
what does export LD_LIBRARY_PATH='pwd' do - (ANSWER)tells os where the .so
file is at runtime
advantages of making - (ANSWER)makes repeated compilation easier
all in makefile - (ANSWER)lists everything you want the make command to create
by default
clean in makefile - (ANSWER)deletes intermediate files
make file rule format - (ANSWER)target: dependencies
command
target: what you want to create
dependencies: what you need to run command
command any unix command (gcc or clang)
qsort - (ANSWER)function that sorts an array of nell objects, intial member is
pointed to by the base, size is specified by the width
contents of array base are sorted in ascending order according to comparison
function pointed to by function pointers which requires two arguments the
objects being compared