From 43a8fae35436910946742e551ff46a1549e2d262 Mon Sep 17 00:00:00 2001
From: TheJackiMonster <thejackimonster@gmail.com>
Date: Sun, 25 Sep 2022 11:39:54 +0200
Subject: Add compile options and adjust README.md

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>
---
 Makefile.am     |  2 ++
 README.md       | 16 ++++++++++++----
 configure.ac    |  9 +++++++++
 src/Makefile.am | 10 ++++++++++
 4 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 30e4c19..e8d6340 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,6 +9,8 @@ SUBDIRS = \
   src \
   tests
 
+ACLOCAL_AMFLAGS = -I m4
+
 docs:
 	mkdir -p doc
 	doxygen
diff --git a/README.md b/README.md
index 79c2cbd..56b7119 100644
--- a/README.md
+++ b/README.md
@@ -22,17 +22,25 @@ The following dependencies are required and need to be installed to build the li
 
  - [gnunet](https://git.gnunet.org/gnunet.git/): For using GNUnet services and its datatypes
 
-Then you can simply use the provided Makefile as follows:
+Then you can simply use [Autotools](https://www.gnu.org/software/automake/) as follows:
+```
+./bootstrap        # Generate the configure script
+./configure        # Configure the Makefiles for your system
+make               # Build the library using the Makefiles
+sudo make install  # Install the library
+```
 
- - `make` to just compile everything with default parameters
+Here is a list of some useful build targets in the Makefile:
+
+ - `make` to just compile everything with configured parameters
  - `make clean` to cleanup build files in case you want to recompile
- - `make debug` to compile everything with debug parameters
- - `make release` to compile everything with build optimizations enabled
  - `make install` to install the compiled files (you might need sudo permissions to install)
  - `make dist` to create a tar file for distribution
  - `make docs` to build Doxygen documentation ([Doxygen](https://www.doxygen.nl/index.html) is required to do that)
  - `make check` to test the library with automated unit tests ([Check](https://libcheck.github.io/check/) is required to do that)
 
+If you want to change the installation location, use the `--prefix=` parameter in the `configure` script. Also you can enable debugging builds by adding `--enable-debug` as parameter when running the `configure` script.
+
 ## Contribution
 
 If you want to contribute to this project as well, the following options are available:
diff --git a/configure.ac b/configure.ac
index 9fb9c7d..fc58e40 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,6 +51,15 @@ LT_INIT([disable-static dlopen])
 AS_IF([test "x$enable_shared" = "xno"],
   [AC_MSG_ERROR([GNUnet works only with shared libraries, sorry])])
 
+AC_ARG_ENABLE([debug],
+[  --enable-debug          turn on debugging],
+[case "${enableval}" in
+  yes) debug=true ;;
+  no)  debug=false ;;
+  *) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
+esac],[debug=false])
+AM_CONDITIONAL([DEBUG], [test x$debug = xtrue])
+
 AC_CONFIG_FILES([
   Makefile
   include/Makefile
diff --git a/src/Makefile.am b/src/Makefile.am
index 38e2cdd..f87788e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,3 +27,13 @@ libgnunetchat_la_LIBADD = \
   -lgnunetregex \
   -lgnunetutil
 
+libgnunetchat_la_CFLAGS = \
+  -fPIC -pedantic -Wall -Wextra
+
+if DEBUG
+libgnunetchat_la_CFLAGS += \
+  -O0 -D _DEBUG -ggdb3
+else
+libgnunetchat_la_CFLAGS += \
+  -O2 -D NDEBUG
+endif
-- 
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