mjhjmtu

I've recently set up Arch linux on my desktop PC as a project over the summer, and I'm trying to figure out how to install programs from source. From what I've gathered I have to get the tarball file, extract it, run ./configure, then make, and make-install. I can get past the ./configure, but when I try to run the make command for a codeblocks install I get what looks like a whole bunch of compiler errors.

According to the guide on the codeblocks wiki I have to install wxGTK2-2.8.12 before I can install codeblocks itself, and it tells me to run

../configure --prefix=/opt/wx/2.8 --enable-xrc --enable-monolithic --enable-unicode

Which to me seems to work alright, here is the terminal output.

I then try to run make from the same folder, and the output is really extensive, so sorry if it a pain to read, but the errors are at the end, just not sure whether you will need to see the previous outputs, so here is the entire make output.

All of the compile errors in your build log are of the form:

error: narrowing conversion of ‘ddd’ from ‘int’ to ‘char’ inside [-Wnarrowing]

There are a great many other compiler diagnostics but they are all warnings - not
errors - that you can live with.

The errors arise from the fact that wxGTK2-2.8.12 - released March, 2011 -
was written to be compiled to an earlier C++ standard (C++98, i.e. C++ 1998)
than the standard that is the default for your g++ compiler, now in July 2017.
Your compiler I assume is g++ 6 or later, which defaults to C++14 (C++ 2014).
Since the C++11 standard, the narrowing conversion that is breaking your build
has been ruled ill-formed, which previously it was not.

You can direct g++ to compile according to the C++ standard of your choice by
passing it the option -std=c++03, and you can
pass your choice to the wxGTK2-2.8.12 configure script by including it in
the value of the CXXFLAGS parameter for ./configure. Either of -std=c++98
or -std=c++03 will remove the narrowing conversion errors, e.g.

../configure CXXFLAGS=-std=c++03 --prefix=/opt/wx/2.8 --enable-xrc --enable-monolithic --enable-unicode

Alternatively you might simply direct g++ to suppress the diagnostics denoted by
-Wnarrowing:

../configure CXXFLAGS=-Wno-narrowing --prefix=/opt/wx/2.8 --enable-xrc --enable-monolithic --enable-unicode

The ./configure script of any GNU autotools package (such as you are trying to
build) will have parameters including:

CC C compiler command
CFLAGS C compiler flags
LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
 nonstandard directory <lib dir>
CPPFLAGS C/C++ preprocessor flags, e.g. -I<include dir> if you have
 headers in a nonstandard directory <include dir>
CPP C preprocessor
CXX C++ compiler command
CXXFLAGS C++ compiler flags

that are there to help you correct for deviations between your toolchain and
the defaults that were expected by the package maintainers when they released the
package. See ./configure --help.