CODEWITHSUNDEEP
cross-compilingautoconf
Michael Soegtrop
Michael Soegtrop

Reputation: 53

How to get "build" and "target" C compiler with autoconf

In a cross environment, AC_PROG_CC finds the name of the target C compiler. In my setup I need to build some tools which run on the build machine, not on the target, so I also need a build system C compiler. I wonder if there is something like AC_PROG_CC to find the name of the build C compiler and also to set proper CFLAGS and linker flags.

Or should I have a separate configure file for the tools which run on the host and call autoconf recursively?

Many thanks for sharing your insights in this!

Upvotes: 1

Views: 496

Answers (1)

ldav1s
ldav1s

Reputation: 16315

In my setup I need to build some tools which run on the build machine, not on the target, so I also need a build system C compiler. I wonder if there is something like AC_PROG_CC to find the name of the build C compiler and also to set proper CFLAGS and linker flags.

AX_PROG_CC_FOR_BUILD is probably what you need since you want to set CFLAGS.

Or should I have a separate configure file for the tools which run on the host and call autoconf recursively?

That's sort of what AX_PROC_CC_FOR_BUILD does.

Upvotes: 2

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