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From 1988f6228225e10bccc50941798f1e1b4ca1ff62 Mon Sep 17 00:00:00 2001
From: Jeffery To <jeffery.to@gmail.com>
Date: Fri, 18 Jun 2021 15:46:47 +0800
Subject: [PATCH] More specific library linking
Currently, the main binary and all output modules are linked to the same
set of libraries. This changes the linking so that only the main binary
is linked to pcap, and only addrwatch_mysql is linked to mysqlclient.
This allows the main binary and output modules to be packaged separately
with fewer dependencies for each individual package.
---
configure.ac | 4 ++--
src/Makefile.am | 3 ++-
2 files changed, 4 insertions(+), 3 deletions(-)
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@ optional_modules=""
AC_SUBST([optional_modules])
# Checks for libraries.
-AC_CHECK_LIB([pcap], [pcap_open_live])
+AC_CHECK_LIB([pcap], [pcap_open_live], :)
AC_CHECK_LIB([rt], [shm_open])
PKG_CHECK_MODULES(LIBEVENT, [libevent >= 1.4], , [
@@ -46,7 +46,7 @@ AC_ARG_ENABLE([sqlite3],
)
AC_ARG_ENABLE([mysql],
AS_HELP_STRING([--enable-mysql], [Enable MySQL database output]),
- AC_CHECK_LIB([mysqlclient], [mysql_real_connect], , [
+ AC_CHECK_LIB([mysqlclient], [mysql_real_connect], :, [
AC_MSG_ERROR([Unable to find libmysqlclient.])
])
optional_modules="${optional_modules} addrwatch_mysql"
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -9,5 +9,6 @@ addrwatch_stdout_SOURCES = addrwatch_std
addrwatch_syslog_SOURCES = addrwatch_syslog.c shm_client.c shm_client.h
addrwatch_mysql_SOURCES = addrwatch_mysql.c shm_client.c shm_client.h util.c util.h
-addrwatch_LDADD = @LIBEVENT_LIBS@
+addrwatch_LDADD = @LIBEVENT_LIBS@ -lpcap
+addrwatch_mysql_LDADD = -lmysqlclient