From ebe53fdd4022fb505a538fa51b510f6f35fcc3b8 Mon Sep 17 00:00:00 2001
From: Robert Scheck <robert-scheck@users.noreply.github.com>
Date: Sun, 2 Oct 2022 15:55:45 +0200
Subject: [PATCH] README.md: Update build instructions for cmake (#96)

---
 README.md | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 29dd897..eb28f52 100644
--- a/README.md
+++ b/README.md
@@ -31,11 +31,40 @@ librem is using GNU makefiles, and [libre](https://github.com/baresip/re)
 must be installed before building.
 
 
-### Build with default options
+### Build with debug enabled
 
 ```
-$ make
-$ sudo make install
+$ cmake -B build
+$ cmake --build build -j
+$ sudo cmake --install build
+$ sudo ldconfig
+```
+
+On some distributions, /usr/local/lib may not be included in ld.so.conf. 
+You can check with `grep "/usr/local/lib" /etc/ld.so.conf.d/*.conf` 
+and add if necessary:
+
+```
+$ echo "/usr/local/lib" | sudo tee /etc/ld.so.conf.d/libc.conf
+$ sudo ldconfig
+```
+
+
+### Build with release
+
+```
+$ cmake -B build -DCMAKE_BUILD_TYPE=Release 
+$ cmake --build build -j
+$ sudo cmake --install build
+$ sudo ldconfig
+```
+
+### Build with clang compiler
+
+```
+$ cmake -B build -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
+$ cmake --build build -j
+$ sudo cmake --install build
 $ sudo ldconfig
 ```