Updated Compiling from source (markdown)

Compiling-from-source.md

@@ -86,7 +86,8 @@ N is the number of threads for the compiler to use.
 Windows compilation using Visual Studio is not supported. Mingw64 is used on a Linux
 system (bare metal or virtual machine) to cross-compile cpuminer-opt binaries package
 for Windows. That procedure follows this simpler one. Minimal knowledge of the Unix file
-system and bash shell are required.
+system and bash shell are required. Some steps in common with building for Linux may not be
+explained in the same detail here, refer to the Linux procedure for more details details.
 
 ## Building for Windows, the easy way
 
@@ -165,7 +166,7 @@ Refer to Linux compile instructions and install required packages.
 
 Additionally, install mingw-w64.
 
-`sudo apt-get install mingw-w64 libz-mingw-w64-dev`
+`$ sudo apt-get install mingw-w64 libz-mingw-w64-dev`
 
 
 #### Create a local library
@@ -202,23 +203,23 @@ CPU threads you want to use.
 
 openssl:
 
-`./Configure mingw64 shared --cross-compile-prefix=x86_64-w64-mingw32-`
+`$ ./Configure mingw64 shared --cross-compile-prefix=x86_64-w64-mingw32-`
 
-`make`
+`$ make`
 
 Make may fail with an ld error, just ensure libcrypto-1_1-x64.dll is created.
 
 curl:
 
-`./configure --with-winssl --with-winidn --host=x86_64-w64-mingw32`
+`$ ./configure --with-winssl --with-winidn --host=x86_64-w64-mingw32`
 
-`make`
+`$ make`
 
 gmp:
 
-`./configure --host=x86_64-w64-mingw32`
+`$ ./configure --host=x86_64-w64-mingw32`
 
-`make`
+`$ make`
 
 #### Tweak the environment.
 
@@ -228,15 +229,15 @@ This step is required everytime you login or the commands can be added to
 Define some local variables to point to local library.
 
 
-`export LOCAL_LIB="$HOME/usr/lib"`
+`$ export LOCAL_LIB="$HOME/usr/lib"`
 
-`export LDFLAGS="-L$LOCAL_LIB/curl/lib/.libs -L$LOCAL_LIB/gmp/.libs -L$LOCAL_LIB/openssl"`
+`$ export LDFLAGS="-L$LOCAL_LIB/curl/lib/.libs -L$LOCAL_LIB/gmp/.libs -L$LOCAL_LIB/openssl"`
 
-`export CONFIGURE_ARGS="--with-curl=$LOCAL_LIB/curl --with-crypto=$LOCAL_LIB/openssl --host=x86_64-w64-mingw32"`
+`$ export CONFIGURE_ARGS="--with-curl=$LOCAL_LIB/curl --with-crypto=$LOCAL_LIB/openssl --host=x86_64-w64-mingw32"`
 
 Adjust for gcc version:
 
-`export GCC_MINGW_LIB="/usr/lib/gcc/x86_64-w64-mingw32/9.3-win32"`
+`$ export GCC_MINGW_LIB="/usr/lib/gcc/x86_64-w64-mingw32/9.3-win32"`
 
 
 Create a release directory and copy some dll files previously built.
@@ -244,19 +245,19 @@ This can be done outside of cpuminer-opt and only needs to be done once.
 If the release directory is in cpuminer-opt directory it needs to be
 recreated every time a source package is decompressed.
 
-`mkdir release`
+`$ mkdir release`
 
-`cp /usr/x86_64-w64-mingw32/lib/zlib1.dll release/`
+`$ cp /usr/x86_64-w64-mingw32/lib/zlib1.dll release/`
 
-`cp /usr/x86_64-w64-mingw32/lib/libwinpthread-1.dll release/`
+`$ cp /usr/x86_64-w64-mingw32/lib/libwinpthread-1.dll release/`
 
-`cp $GCC_MINGW_LIB/libstdc++-6.dll release/`
+`$ cp $GCC_MINGW_LIB/libstdc++-6.dll release/`
 
-`cp $GCC_MINGW_LIB/libgcc_s_seh-1.dll release/`
+`$ cp $GCC_MINGW_LIB/libgcc_s_seh-1.dll release/`
 
-`cp $LOCAL_LIB/openssl/libcrypto-1_1-x64.dll release/`
+`$ cp $LOCAL_LIB/openssl/libcrypto-1_1-x64.dll release/`
 
-`cp $LOCAL_LIB/curl/lib/.libs/libcurl-4.dll release/`
+`$ cp $LOCAL_LIB/curl/lib/.libs/libcurl-4.dll release/`
 
 
 #### Download cpuminer-opt
@@ -276,24 +277,24 @@ Decompress and change to the cpuminer-opt directory.
 
 Create a link to the locally compiled version of gmp.h
 
-`ln -s $LOCAL_LIB/gmp-version/gmp.h ./gmp.h`
+`$ ln -s $LOCAL_LIB/gmp-version/gmp.h ./gmp.h`
 
-`./autogen.sh`
+`$ ./autogen.sh`
 
 Configure the compiler for the CPU architecture of the host machine:
 
-`CFLAGS="-O3 -march=native -Wall" ./configure $CONFIGURE_ARGS`
+`$ CFLAGS="-O3 -march=native -Wall" ./configure $CONFIGURE_ARGS`
 
 or cross compile for a specific CPU architecture:
 
-`CFLAGS="-O3 -march=znver1 -Wall" ./configure $CONFIGURE_ARGS`
+`$ CFLAGS="-O3 -march=znver1 -Wall" ./configure $CONFIGURE_ARGS`
 
 This will compile for AMD Ryzen.
 
 You can compile more generically for a set of specific CPU features
 if you know what features you want:
 
-`CFLAGS="-O3 -maes -msse4.2 -Wall" ./configure $CONFIGURE_ARGS`
+`$ CFLAGS="-O3 -maes -msse4.2 -Wall" ./configure $CONFIGURE_ARGS`
 
 This will compile for an older CPU that does not have AVX.
 
@@ -306,7 +307,7 @@ can enable the CPU Groups feature by adding the following to CFLAGS:
 
 Once you have run configure successfully run the compiler with n CPU threads:
 
-`make -j n`
+`$ make -j n`
 
 Copy cpuminer.exe to the release directory, compress and copy the release
 directory to a Windows system and run cpuminer.exe from the command line.
@@ -316,7 +317,7 @@ Run cpuminer
 In a command windows change directories to the unzipped release folder.
 to get a list of all options:
 
-cpuminer.exe --help
+$ cpuminer.exe --help
 
 Command options are specific to where you mine. Refer to the pool's
 instructions on how to set them.