https://bugs.gentoo.org/552474

--- raptor2-2.0.15/configure.ac
+++ raptor2-2.0.15/configure.ac
@@ -524,49 +524,12 @@
   fi
 fi
 
-dnl curl
-AC_ARG_WITH(curl-config, [  --with-curl-config=PATH   Location of libcurl curl-config []], curl_config="$withval", curl_config="")
-
-if test "X$curl_config" != "Xno" ; then
-  if test "X$curl_config" != "X" ; then
-    AC_MSG_CHECKING(for $curl_config)
-
-    if test -f $curl_config ; then
-      CURL_CONFIG=$curl_config
-      AC_MSG_RESULT(yes)
-    else
-      AC_MSG_RESULT(no - searching PATH)
-    fi
-  fi
-  if test "X$CURL_CONFIG" = "X" ; then
-    AC_CHECK_PROGS(CURL_CONFIG, curl-config)
-  fi
-fi
-
 libcurl_source=no
-if test "X$CURL_CONFIG" != "X"; then
-  LIBCURL_CFLAGS=`$CURL_CONFIG --cflags`
-  LIBCURL_LIBS=`$CURL_CONFIG --libs`
-
-  CPPFLAGS="$LIBCURL_CFLAGS $CPPFLAGS"
-  LIBS="$LIBS $LIBCURL_LIBS"
-  AC_CHECK_HEADER(curl/curl.h)
-  AC_CHECK_FUNC(curl_easy_init, have_curl_easy_init=yes, have_curl_easy_init=no)
-
-  AC_MSG_CHECKING(for libcurl via curl-config)
-  if test $have_curl_easy_init = yes; then
-    libcurl_source="curl-config"
-    LIBCURL_VERSION=`$CURL_CONFIG --version | sed -e 's/^libcurl *//'`
-  fi
-  CPPFLAGS="$oCPPFLAGS"
-  LIBS="$oLIBS"
-else
-  PKG_CHECK_MODULES([LIBCURL],[libcurl],[
-    LIBCURL_VERSION=`$PKG_CONFIG libcurl --modversion`
-    libcurl_source="pkg-config"
-  ], [:])
-  AC_MSG_CHECKING(for libcurl via pkg-config)
-fi
+PKG_CHECK_MODULES([LIBCURL],[libcurl],[
+  LIBCURL_VERSION=`$PKG_CONFIG libcurl --modversion`
+  libcurl_source="pkg-config"
+], [:])
+AC_MSG_CHECKING(for libcurl via pkg-config)
 
 if test "$libcurl_source" = "no"; then
   AC_MSG_RESULT(no - not found)