autotools: remove dlopen check (unused) and -lm in .pc

Signed-off-by: Chris Michael <cp.michael@samsung.com>

configure.ac

@@ -63,28 +63,6 @@ fi
 
 AM_CONDITIONAL([HAVE_PO], [test "x${have_po}" = "xyes"])
 
-# dlopen
-dlopen_libs=""
-case "$host_os" in
-  mingw*)
-# nothing on mingw platform
-  ;;
-  *)
-    AC_CHECK_FUNCS(dlopen, res=yes, res=no)
-    if test "x$res" = "xyes"; then
-      AC_CHECK_FUNCS(dladdr, AC_DEFINE(HAVE_DLADDR))
-    else
-      AC_CHECK_LIB(dl, dlopen, res=yes, res=no)
-      if test "x$res" = "xyes"; then
-        AC_CHECK_LIB(dl, dladdr, AC_DEFINE(HAVE_DLADDR))
-        dlopen_libs=-ldl
-      else
-        AC_MSG_ERROR(Cannot find dlopen)
-      fi
-    fi
-esac
-AC_SUBST(dlopen_libs)
-
 EFL_CHECK_THREADS
 
 PKG_PROG_PKG_CONFIG

express.pc.in

@@ -8,5 +8,5 @@ Description: EFL IRC communication library
 @pkgconfig_requires_private@: @requirements_libexpress@
 Version: @VERSION@
 Libs: -L${libdir} -lexpress
-Libs.private: -lm
+Libs.private:
 Cflags: -I${includedir}/express

src/lib/Makefile.am

@@ -19,7 +19,7 @@ libexpress_la_SOURCES = \
   main.c
 
 libexpress_la_LDFLAGS = -version-info 0:1:0 @EXP_LDFLAGS@
-libexpress_la_LIBADD = @dlopen_libs@ @LIBEXPRESS_LIBS@
+libexpress_la_LIBADD = @LIBEXPRESS_LIBS@
 
 installed_mainheaderdir = $(includedir)/express
 dist_installed_mainheader_DATA = Express.h