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7.10 Assembly Support

Automake includes some support for assembly code.

The variable CCAS holds the name of the compiler used to build assembly code. This compiler must work a bit like a C compiler; in particular it must accept -c and -o. The values of CCASFLAGS and AM_CCASFLAGS (or its per-target definition) are passed to the compilation.

The autoconf macro AM_PROG_AS will define CCAS and CCASFLAGS for you (unless they are already set, it simply sets CCAS to the C compiler and CCASFLAGS to the C compiler flags), but you are free to define these variables by other means.

Only the suffixes .s and .S are recognized by automake as being files containing assembly code.