Hello John, On Nov 11, 2007, at 11:10 PM, John Borchardt wrote:
Hello, all, sorry if this is a very basic question. I looked in the archives briefly but didn't see anything that covered this... I am trying to make the build scripts for someone else's decent-sized source tree better. In the configure.in script for this package, it is looking for the paths of various libraries. But running ./configure generally dies when it cannot find these libraries. The basic problem (as far as I can tell), is that configure.in looks for libraries using AC_PATH_PROG, which (best I can tell) only returns the path of a file if the file has execute permission. Libraries are not normally executable (as far as I can tell) on my Ubuntu 7.10 install, so AC_PATH_PROG doesn't find the library, and this is why ./configure dies.
That's wrong indeed, you should report this bug upstream.
My simple question is -- how should I find the location of a library or any other regular file such as a C header file? Looking at the Autoconf documentation, it doesn't look like AC_CHECK_FILE, AC_CHECK_LIB, or AC_CHECK_HEADER really do what I need. (Correct me if I'm wrong.)
If you're looking for a library, then what's wrong with AC_CHECK_LIB? For a header, what's wrong with AC_CHECK_HEADER? These macros have been designed specifically to this end, so?
I could no doubt write my own macro (I'd call it AC_PATH_FILE) to do what I want. But since what I want sounds so simple, it makes me suspicious that either: (1) There already is a macro that does this, or (2) What I want to do is fundamentally flawed and I should accomplish what I want in a different way Your input is greatly appreciated!
-- Benoit Sigoure aka Tsuna EPITA Research and Development Laboratory
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