build: enforce static library build for PortAudio and update error messages

Author: GitHub Actions Fix

.github/workflows/build-and-release.yml

@@ -101,11 +101,13 @@ jobs:
           cd build
 
           if [ "${{ runner.os }}" = "Windows" ]; then
-            cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../install
+            # Force static library build to preserve libportaudio*.a install outputs
+            cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../install -DPA_BUILD_SHARED_LIBS=OFF
             cmake --build . --config Release
             cmake --install . --config Release
           else
-            cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../install
+            # Force static library build to preserve libportaudio*.a install outputs
+            cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../install -DPA_BUILD_SHARED_LIBS=OFF
             make -j$(nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 4)
             make install
           fi

README.md

@@ -1,6 +1,6 @@
 # PlayBuffer
 
-A simple cross-platform audio player that reads raw float audio samples from stdin and plays them through the default audio output device using PortAudio.
+A simple cross-platform audio player that reads raw float audio samples from stdin and plays them through the default audio output device using [PortAudio](https://github.com/PortAudio/portaudio).
 
 ## Purpose
 

scripts/build-macos.sh

@@ -27,7 +27,7 @@ fi
 # Find PortAudio static library under ${PA_PREFIX}/lib
 PA_LIB=$(find "$PA_PREFIX/lib" -name "libportaudio*.a" | head -n 1)
 if [ -z "$PA_LIB" ]; then
-    echo "Error: Could not find PortAudio static library in portaudio/install/lib"
+    echo "Error: Could not find PortAudio static library in $PA_PREFIX/lib"
     exit 1
 fi
 
@@ -38,7 +38,7 @@ echo "Compiling play_buffer..."
 gcc -o play_buffer play_buffer.c \
     -DPLAYBUFFER_VERSION="\"$VERSION\"" \
     -DPORTAUDIO_COMMIT="\"$PORTAUDIO_COMMIT\"" \
-    -I portaudio/install/include \
+    -I "$PA_PREFIX/include" \
     "$PA_LIB" \
     -framework CoreAudio \
     -framework CoreFoundation \

scripts/build-ubuntu.sh

@@ -27,7 +27,7 @@ fi
 # Find PortAudio static library under ${PA_PREFIX}/lib
 PA_LIB=$(find "$PA_PREFIX/lib" -name "libportaudio*.a" | head -n 1)
 if [ -z "$PA_LIB" ]; then
-    echo "Error: Could not find PortAudio static library in portaudio/install/lib"
+    echo "Error: Could not find PortAudio static library in $PA_PREFIX/lib"
     exit 1
 fi
 
@@ -42,7 +42,7 @@ echo "Compiling play_buffer..."
 gcc -o play_buffer play_buffer.c \
     -DPLAYBUFFER_VERSION="\"$VERSION\"" \
     -DPORTAUDIO_COMMIT="\"$PORTAUDIO_COMMIT\"" \
-    -I portaudio/install/include \
+    -I "$PA_PREFIX/include" \
     "$PA_LIB" \
     -lm -lpthread -lasound