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MKDEP(1) General Commands Manual MKDEP(1)

construct Makefile dependency list

mkdep [
] [
-f file
] [
] file ...

mkdep takes a set of flags for the C compiler and a list of C source files as arguments and constructs a set of include file dependencies which are written into the file .depend, for use by make(1). An example of its use in a Makefile might be:
CFLAGS= -O -I../include 
SRCS= file1.c file2.c 
	mkdep ${CFLAGS} ${SRCS}
where the macro SRCS is the list of C source files and the macro CFLAGS is the list of flags for the C compiler.
The options are as follows:
Append to the output file, so that multiple mkdep's may be run from a single Makefile.
Write the include file dependencies to file, instead of the default .depend.
Cause mkdep to produce dependencies of the form:
program: program.c
so that subsequent makes will produce program directly from its C module rather than using an intermediate .o module. This is useful for programs whose source is contained in a single module.

file containing list of dependencies

cc(1), cpp(1), make(1)

The mkdep command appeared in 4.3BSD-Tahoe.
July 31, 2011 OpenBSD-current