diff --git a/Makefile.am b/Makefile.am
index 3c83a27..de4c4a5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,8 +8,6 @@ ACLOCAL_AMFLAGS = -I m4
 EXTRA_DIST	= example-cfg.json nomacro.pl
 SUBDIRS		= compat
 
-INCLUDES	= $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES)
-
 bin_PROGRAMS	= minerd
 minerd_SOURCES	= elist.h miner.h compat.h \
 	cpu-miner.c util.c \
@@ -19,12 +17,10 @@ minerd_SOURCES	= elist.h miner.h compat.h \
 	aes_helper.c cubehash.c shavite.c simd.c echo.c luffa.c\
 	quark.c gost.c Xcoin.c
 
-# Linux (default)
-#minerd_LDFLAGS = $(PTHREAD_FLAGS)
-# Windows
-minerd_LDFLAGS = $(PTHREAD_FLAGS) -Wl,-Bstatic -static-libgcc
-minerd_DEFS    = -DCURL_STATICLIB -DWIN32 -DWIN32_LEAN_AND_MEAN
+## Uncomment on MSYS2 Windows build only:
+# minerd_LDFLAGS = $(PTHREAD_FLAGS) -Wl,-Bstatic -static-libgcc
+# minerd_DEFS    = -DCURL_STATICLIB -DWIN32 -DWIN32_LEAN_AND_MEAN
+##
 
 minerd_LDADD    = @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@ @WS2_LIBS@
-minerd_CPPFLAGS = @LIBCURL_CPPFLAGS@
-
+minerd_CPPFLAGS = $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES) -fPIC @LIBCURL_CPPFLAGS@
diff --git a/README b/README
index fa9fc0a..c623a8c 100644
--- a/README
+++ b/README
@@ -3,9 +3,16 @@ Run with your gostcoin wallet app
 ./minerd -a gostd -t <number of cores> -o http://127.0.0.1:9376 -u <your RPC user> -p <you RPC password>
 ```
 
+Building on most linux distributions. Install libcurl and libjansson development packages first!
+```bash
+./autogen.sh
+LIBCURL="-lcurl" ./configure CFLAGS="-O3"
+make
+```
+
 Building on Windows is possible with MSYS2.
 ```bash
 ./autogen.sh
 ./configure CFLAGS="-O3 -DCURL_STATICLIB" --with-libcurl=compat/curl-win-x86_64
 make
-```
\ No newline at end of file
+```
diff --git a/autogen.sh b/autogen.sh
old mode 100644
new mode 100755
diff --git a/m4/libcurl.m4 b/m4/libcurl.m4
index e21afd3..ad53a44 100644
--- a/m4/libcurl.m4
+++ b/m4/libcurl.m4
@@ -1,3 +1,24 @@
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2006 - 2020, David Shaw <dshaw@jabberwocky.com>
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
 # LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION],
 #                       [ACTION-IF-YES], [ACTION-IF-NO])
 # ----------------------------------------------------------
@@ -61,7 +82,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
   AH_TEMPLATE([LIBCURL_PROTOCOL_SMTP],[Defined if libcurl supports SMTP])
 
   AC_ARG_WITH(libcurl,
-     AC_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]),
+     AS_HELP_STRING([--with-libcurl=PREFIX],[look for the curl library in PREFIX/lib and headers in PREFIX/include]),
      [_libcurl_with=$withval],[_libcurl_with=ifelse([$1],,[yes],[$1])])
 
   if test "$_libcurl_with" != "no" ; then
@@ -73,6 +94,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
      _libcurl_try_link=yes
 
      if test -d "$_libcurl_with" ; then
+        LIBCURL_CPPFLAGS="-I$withval/include"
         _libcurl_ldflags="-L$withval/lib"
         AC_PATH_PROG([_libcurl_config],[curl-config],[],
                      ["$withval/bin"])
@@ -105,7 +127,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
               LIBCURL_CPPFLAGS=`$_libcurl_config --cflags`
            fi
            if test x"$LIBCURL" = "x" ; then
-              LIBCURL=`$_libcurl_config --static-libs`
+              LIBCURL=`$_libcurl_config --libs`
 
               # This is so silly, but Apple actually has a bug in their
               # curl-config script.  Fixed in Tiger, but there are still
@@ -152,11 +174,11 @@ int x;
 curl_easy_setopt(NULL,CURLOPT_URL,NULL);
 x=CURL_ERROR_SIZE;
 x=CURLOPT_WRITEFUNCTION;
-x=CURLOPT_FILE;
+x=CURLOPT_WRITEDATA;
 x=CURLOPT_ERRORBUFFER;
 x=CURLOPT_STDERR;
 x=CURLOPT_VERBOSE;
-if (x) ;
+if (x) {;}
 ]])],libcurl_cv_lib_curl_usable=yes,libcurl_cv_lib_curl_usable=no)
 
            CPPFLAGS=$_libcurl_save_cppflags