(gcrypt.info.gz) Building sources using Automake
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2.3 Building sources using Automake
===================================
It is much easier if you use GNU Automake instead of writing your own
Makefiles. If you do that you do not have to worry about finding and
invoking the `libgcrypt-config' script at all. Libgcrypt provides an
extension to Automake that does all the work for you.
-- Macro: AM_PATH_LIBGCRYPT ([MINIMUM-VERSION], [ACTION-IF-FOUND],
[ACTION-IF-NOT-FOUND])
Check whether Libgcrypt (at least version MINIMUM-VERSION, if
given) exists on the host system. If it is found, execute
ACTION-IF-FOUND, otherwise do ACTION-IF-NOT-FOUND, if given.
Additionally, the function defines `LIBGCRYPT_CFLAGS' to the flags
needed for compilation of the program to find the `gcrypt.h'
header file, and `LIBGCRYPT_LIBS' to the linker flags needed to
link the program to the Libgcrypt library.
You can use the defined Autoconf variables like this in your
`Makefile.am':
AM_CPPFLAGS = $(LIBGCRYPT_CFLAGS)
LDADD = $(LIBGCRYPT_LIBS)
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