From e2e3792234afd45625dba679ddbb661efc47f705 Mon Sep 17 00:00:00 2001
From: Florian Forster <ff@octo.it>
Date: Thu, 25 Sep 2014 12:23:10 -0700
Subject: [PATCH] liboping.pc: Let configure create the pkg-config file.

---
 .gitignore         |  2 +-
 configure.ac       | 20 +++++++++++++++++---
 src/Makefile.am    | 24 ++----------------------
 src/liboping.pc.in | 12 ++++++++++++
 4 files changed, 32 insertions(+), 26 deletions(-)
 create mode 100644 src/liboping.pc.in

diff --git a/.gitignore b/.gitignore
index c8c5e41..b9cb926 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,7 +28,7 @@ src/mans/*.3
 src/mans/*.8
 src/oping
 src/noping
-src/oping.pc
+src/liboping.pc
 *.bs
 *.la
 *.lo
diff --git a/configure.ac b/configure.ac
index ee99bfb..ac067e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,12 @@ LT_INIT([dlopen])
 # pkg-config interface
 PKG_INSTALLDIR
 
+AC_ARG_WITH(pkgconfigdir,
+	    AC_HELP_STRING([--with-pkgconfigdir], [Use the specified pkgconfig dir (default is libdir/pkgconfig)]),
+	    [pkgconfigdir="${withval}"],
+	    [pkgconfigdir='${libdir}/pkgconfig'])
+AC_SUBST([pkgconfigdir])
+
 # Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_TIME
@@ -164,12 +170,16 @@ AC_TYPE_UINT16_T
 AC_TYPE_UINT32_T
 AC_TYPE_UINT8_T
 
+LIBOPING_PC_LIBS_PRIVATE=''
+
 socket_needs_socket="no"
 AC_CHECK_FUNCS(socket, [],
 	AC_CHECK_LIB(socket, socket,
 		[socket_needs_socket="yes"],
 		AC_MSG_ERROR(cannot find socket)))
-AM_CONDITIONAL(BUILD_WITH_LIBSOCKET, test "x$socket_needs_socket" = "xyes")
+if test "x$socket_needs_socket" = "xyes"; then
+	LIBOPING_PC_LIBS_PRIVATE="${LIBOPING_PC_LIBS_PRIVATE} -lsocket"
+fi
 
 # Under Solaris, the `xnet' library provides `recvmsg' which complies with the
 # X/Open CAE Specification.
@@ -179,7 +189,11 @@ if test "x$with_libxnet" = "xyes"
 then
 	CPPFLAGS="$CPPFLAGS -D_XPG4_2 -D__EXTENSIONS__"
 fi
-AM_CONDITIONAL(BUILD_WITH_LIBXNET, test "x$with_libxnet" = "xyes")
+if test "x$with_libxnet" = "xyes"; then
+	LIBOPING_PC_LIBS_PRIVATE="${LIBOPING_PC_LIBS_PRIVATE} -lxnet"
+fi
+
+AC_SUBST(LIBOPING_PC_LIBS_PRIVATE)
 
 nanosleep_needs_rt="no"
 AC_CHECK_FUNCS(nanosleep, [],
@@ -253,5 +267,5 @@ AC_FUNC_MALLOC
 AC_FUNC_STRERROR_R
 AC_CHECK_FUNCS([gettimeofday memset modf select socket sqrt strcasecmp strdup strerror strncasecmp strtoul])
 
-AC_CONFIG_FILES([Makefile src/Makefile src/mans/Makefile bindings/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile src/liboping.pc src/mans/Makefile bindings/Makefile])
 AC_OUTPUT
diff --git a/src/Makefile.am b/src/Makefile.am
index 65d7adb..ec4c398 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,29 +25,9 @@ liboping_la_SOURCES = oping.h liboping.c
 
 liboping_la_CPPFLAGS = $(AM_CPPFLAGS)
 liboping_la_LDFLAGS = $(AM_LDFLAGS) -version-info @LIBOPING_CURRENT@:@LIBOPING_REVISION@:@LIBOPING_AGE@
-liboping_la_LIBADD =
-if BUILD_WITH_LIBSOCKET
-liboping_la_LIBADD += -lsocket
-endif
-if BUILD_WITH_LIBXNET
-liboping_la_LIBADD += -lxnet
-endif
-
-oping.pc:
-	echo 'prefix=$(prefix)'			>  $@
-	echo 'exec_prefix=$(exec_prefix)'	>> $@
-	echo 'includedir=$(includedir)'		>> $@
-	echo 'libdir=$(libdir)'			>> $@
-	echo					>> $@
-	echo 'Name: $(PACKAGE_TARNAME)'		>> $@
-	echo 'Description: $(PACKAGE_NAME)'	>> $@
-	echo 'URL: $(PACKAGE_URL)'		>> $@
-	echo 'Version: $(PACKAGE_VERSION)'	>> $@
-	echo 'Cflags: -I${includedir}'		>> $@
-	echo 'Libs: -L${libdir} -loping'	>> $@
-	echo 'Libs.private: $(AM_LDFLAGS) $(LIBS) $(liboping_la_LIBADD)'	>> $@
+liboping_la_LIBADD = $(LIBOPING_PC_LIBS_PRIVATE)
 
-pkgconfig_DATA = oping.pc
+pkgconfig_DATA = liboping.pc
 
 MOSTLYCLEANFILES = $(pkgconfig_DATA)
 
diff --git a/src/liboping.pc.in b/src/liboping.pc.in
new file mode 100644
index 0000000..5016623
--- /dev/null
+++ b/src/liboping.pc.in
@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+includedir=@includedir@
+libdir=@libdir@
+
+Name: @PACKAGE_NAME@
+Description: C/C++ library to generate ICMP ECHO_REQUESTs
+URL: @PACKAGE_URL@
+Version: @PACKAGE_VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -loping
+Libs.private: @LIBOPING_PC_LIBS_PRIVATE@
-- 
2.11.0