From b5cb40e63db4e56bc282240b4a9e381382c5d801 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 17 Feb 2018 19:48:36 -0800
Subject: [PATCH] configure.ac: Support libmagic.

---
 README.md        |  3 +++
 configure.ac     | 21 +++++++++++++++++++++
 ircd/Makefile.am |  3 +++
 3 files changed, 27 insertions(+)

diff --git a/README.md b/README.md
index 7b0380d13..ca8afec2f 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,9 @@ Provides HTTPS TLS / X.509 / etc.
 - **zlib** or **lz4** or **snappy** (Compression library):
 Provides compression for the database, etc.
 
+- **libmagic** (Optional)
+Content MIME type recognition.
+
 - **GNU C++ compiler**, **automake**, **autoconf**, **autoconf2.13**,
 **autoconf-archive**, **libtool**, **shtool**
 
diff --git a/configure.ac b/configure.ac
index 67c1e5ed5..069ae75ab 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1200,6 +1200,26 @@ AM_CONDITIONAL([PCRE], [test "x$have_pcre" = "xyes"])
 
 
 
+dnl
+dnl libmagic support
+dnl
+
+RB_CHK_SYSHEADER(magic.h, [MAGIC_H])
+AC_CHECK_LIB(magic, magic_version,
+[
+	have_magic="yes"
+	AC_SUBST(MAGIC_CPPFLAGS, [])
+	AC_SUBST(MAGIC_LDFLAGS, [])
+	AC_SUBST(MAGIC_LIBS, ["-lmagic"])
+	AC_DEFINE(HAVE_MAGIC, 1, [Define to 1 if libmagic (-lmagic) is available.])
+], [
+	have_magic="no"
+])
+
+AM_CONDITIONAL([MAGIC], [test "x$have_magic" = "xyes"])
+
+
+
 dnl
 dnl Additional linkages
 dnl
@@ -1389,6 +1409,7 @@ echo "Building JS (SpiderMonkey) ........ $with_included_js"
 echo "GNU MP support .................... $have_gmp"
 echo "Sodium support .................... $have_sodium"
 echo "SSL support........................ $SSL_TYPE"
+echo "Magic support...................... $have_magic"
 echo "Precompiled headers ............... $build_pch"
 echo "Developer debug ................... $debug"
 echo "IPv6 support ...................... $ipv6"
diff --git a/ircd/Makefile.am b/ircd/Makefile.am
index d44910419..4be12e18e 100644
--- a/ircd/Makefile.am
+++ b/ircd/Makefile.am
@@ -14,6 +14,7 @@ AM_CPPFLAGS = \
 	-DBOOST_COROUTINE_NO_DEPRECATION_WARNING=1 \
 	@BOOST_CPPFLAGS@ \
 	@SODIUM_CPPFLAGS@ \
+	@MAGIC_CPPFLAGS@ \
 	-include ircd/ircd.h \
 	###
 
@@ -46,6 +47,7 @@ libircd_la_LDFLAGS = \
 	@JS_LDFLAGS@ \
 	@BOOST_LDFLAGS@ \
 	@SODIUM_LDFLAGS@ \
+	@MAGIC_LDFLAGS@ \
 	###
 
 libircd_la_LIBADD = \
@@ -53,6 +55,7 @@ libircd_la_LIBADD = \
 	@JS_LIBS@ \
 	@BOOST_LIBS@ \
 	@SODIUM_LIBS@ \
+	@MAGIC_LIBS@ \
 	-lcrypto \
 	-lssl \
 	-lz \