finally cbuild instead of make

example/snek.c

@@ -2,6 +2,8 @@
 
 #include "tim.h"
 
+#define TPS 10
+
 #define FG  0x10
 #define BG  0xdd
 #define BTN (FG << 16 | BG << 8 | FG)
@@ -21,11 +23,11 @@ typedef union {
 
 static struct {
     i32     state;     // game state (NEW RUN PAUSE OVER)
-    i64 tick;      // updates every 10 ms
+    i64     tick;      // updates every 10 ms
     i32     len;       // snake length
-    point   body[200]; // snake body
     point   food;      // food position
     point   look;      // active direction
+    point   body[200]; // snake body
 } snek;
 
 static void start(void) {
@@ -38,7 +40,7 @@ static void start(void) {
 
 static void game(void) {
     // update game state about every 10 ms
-    i64 tick = tim_time_usec() / 100000;
+    i64 tick = tim_time_usec() / (1000000/TPS);
     if (snek.tick != tick) {
         snek.tick = tick;
         // move one unit

makefile

@@ -1,53 +0,0 @@
-CFLAGS+=-Iinclude -Isrc -O2
-
-all: bin/test bin/string bin/color bin/hello bin/ask bin/snek
-
-bin/test: test/test.c bin/tim.a
-	$(CC) $< -Wall $(CFLAGS) bin/tim.a -o $@
-bin/string: test/string.c bin/tim.a
-	$(CC) $< -Wall $(CFLAGS) bin/tim.a -o $@
-bin/color: test/color.c bin/tim.a
-	$(CC) $< -Wall $(CFLAGS) bin/tim.a -o $@
-bin/hello: example/hello.c bin/tim.a
-	$(CC) $< -Wall $(CFLAGS) bin/tim.a -o $@
-bin/ask: example/ask.c bin/tim.a
-	$(CC) $< -Wall $(CFLAGS) bin/tim.a -o $@
-bin/snek: example/snek.c bin/tim.a
-	$(CC) $< -Wall $(CFLAGS) bin/tim.a -o $@
-
-bin/tim.a: bin \
-		obj/drawing.c.o obj/edit.c.o obj/event.c.o obj/loop.c.o obj/render.c.o \
-		obj/scope.c.o obj/string.c.o obj/unix.c.o obj/widgets.c.o obj/windows.c.o
-	ar rcs bin/tim.a \
-		obj/drawing.c.o obj/edit.c.o obj/event.c.o obj/loop.c.o obj/render.c.o \
-		obj/scope.c.o obj/string.c.o obj/unix.c.o obj/widgets.c.o obj/windows.c.o
-
-obj/drawing.c.o: src/drawing.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/edit.c.o: src/edit.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/event.c.o: src/event.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/loop.c.o: src/loop.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/render.c.o: src/render.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/scope.c.o: src/scope.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/string.c.o: src/string.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/unix.c.o: src/unix.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/widgets.c.o: src/widgets.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-obj/windows.c.o: src/windows.c obj
-	$(CC) $< -Wall $(CFLAGS) -c -o $@
-
-bin:
-	mkdir -p bin
-
-obj:
-	mkdir -p obj
-
-clean:
-	rm -rf bin obj

project.config

@@ -0,0 +1,140 @@
+#!/usr/bin/env bash
+CBUILD_VERSION=2.3.2
+
+PROJECT="tim"
+CMP_C="gcc"
+CMP_CPP="g++"
+STD_C="c99"
+STD_CPP="c++11"
+WARN_C="-Wall -Wextra
+    -Wduplicated-branches
+    -Wduplicated-cond
+    -Wformat=2
+    -Wmissing-include-dirs
+    -Wshadow
+    -Werror=return-type
+    -Werror=pointer-arith
+    -Werror=init-self
+    -Werror=incompatible-pointer-types"
+WARN_CPP="$WARN_C"
+SRC_C="$(find src -name '*.c')"
+SRC_CPP="$(find src -name '*.cpp')"
+
+# Directory with dependency configs.
+# See cbuild/example_dependency_configs
+DEPENDENCY_CONFIGS_DIR='dependencies'
+# List of dependency config files in DEPENDENCY_CONFIGS_DIR separated by space.
+ENABLED_DEPENDENCIES=''
+
+# OBJDIR structure:
+#  ├── objects/      - Compiled object files. Cleans on each call of build task
+#  ├── static_libs/  - Symbolic links to static libraries used by linker. Cleans on each call of build task.
+#  ├── static_libs/  - Symbolic links to dynamic libraries used by linker. Cleans on each call of build task.
+#  └── profile/      - gcc *.gcda profiling info files
+OBJDIR="obj"
+OUTDIR="bin"
+STATIC_LIB_FILE="$PROJECT.a"
+
+# example: "-I./include -I$DEPENDENCIES_DIR/libexample"
+INCLUDE="-Iinclude -Isrc"
+
+# OS-specific options
+case "$OS" in
+    WINDOWS)
+        EXEC_FILE="snek.exe"
+        SHARED_LIB_FILE="$PROJECT.dll"
+        INCLUDE="$INCLUDE "
+        # example: "-lSDL2 -lSDL2_image"
+        LINKER_LIBS=""
+        ;;
+    LINUX)
+        EXEC_FILE="snek"
+        SHARED_LIB_FILE="$PROJECT.so"
+        INCLUDE="$INCLUDE "
+        LINKER_LIBS=""
+        ;;
+    *)
+        error "operating system $OS has no configuration variants"
+        ;;
+esac
+
+# TASKS
+case "$TASK" in
+    # creates executable using profiling info if it exists
+    build_exec)
+        SRC_C="$SRC_C example/snek.c"
+        # -flto applies more optimizations across object files
+        # -flto=auto is needed to multithreaded copilation
+        # -fuse-linker-plugin is required to use static libs with lto
+        # -fprofile-use enables compiler to use profiling info files to optimize executable
+        # -fprofile-prefix-path sets path where profiling info about objects are be saved
+        # -fdata-sections -ffunction-sections -Wl,--gc-sections  removes unused code
+        C_ARGS="-O2 -flto=auto -fuse-linker-plugin -fprofile-use -fprofile-prefix-path=$(realpath $OBJDIR)/objects -fdata-sections -ffunction-sections -Wl,--gc-sections"
+        CPP_ARGS="$C_ARGS"
+        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
+        PRE_TASK_SCRIPT=""
+        TASK_SCRIPT="@cbuild/default_tasks/build_exec.sh"
+        POST_TASK_SCRIPT="@cbuild/default_tasks/strip_exec.sh"
+        ;;
+    # creates executable with debug info and no optimizations
+    build_exec_dbg)
+        SRC_C="$SRC_C example/snek.c"
+        C_ARGS="-O0 -g3"
+        CPP_ARGS="$C_ARGS"
+        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
+        PRE_TASK_SCRIPT=""
+        TASK_SCRIPT="@cbuild/default_tasks/build_exec.sh"
+        POST_TASK_SCRIPT=""
+        ;;
+    # creates shared library
+    build_shared_lib)
+        C_ARGS="-O2 -fpic -flto -shared"
+        CPP_ARGS="$C_ARGS"
+        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-soname,$SHARED_LIB_FILE"
+        PRE_TASK_SCRIPT=""
+        TASK_SCRIPT="@cbuild/default_tasks/build_shared_lib.sh"
+        POST_TASK_SCRIPT=""
+        ;;
+    # creates shared library with debug symbols and no optimizations
+    build_shared_lib_dbg)
+        C_ARGS="-O0 -g3 -fpic -shared"
+        CPP_ARGS="$C_ARGS"
+        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-soname,$SHARED_LIB_FILE"
+        PRE_TASK_SCRIPT=""
+        TASK_SCRIPT="@cbuild/default_tasks/build_shared_lib.sh"
+        POST_TASK_SCRIPT=""
+        ;;
+    # creates static library
+    build_static_lib)
+        C_ARGS="-O2 -fpic -fdata-sections -ffunction-sections"
+        CPP_ARGS="$C_ARGS"
+        PRE_TASK_SCRIPT=""
+        TASK_SCRIPT="@cbuild/default_tasks/build_static_lib.sh"
+        POST_TASK_SCRIPT=""
+        ;;
+    # creates static library with debug symbols and no optimizations
+    build_static_lib_dbg)
+        C_ARGS="-O0 -g3"
+        CPP_ARGS="$C_ARGS"
+        PRE_TASK_SCRIPT=""
+        TASK_SCRIPT="@cbuild/default_tasks/build_static_lib.sh"
+        POST_TASK_SCRIPT=""
+        ;;
+    # rebuilds specified dependencies
+    # EXAMPLE: `cbuild rebuild_dependencies=libexample1,fonts`
+    # 'all' can be specified to rebuild all dependencies
+    rebuild_dependencies)
+        TASK_SCRIPT="@cbuild/default_tasks/rebuild_dependencies.sh"
+        ;;
+    # deletes generated files
+    clean)
+        TASK_SCRIPT="@cbuild/default_tasks/clean.sh"
+        ;;
+    # nothing to do
+    "" | no_task)
+        ;;
+    # unknown task
+    *)
+        error "task <$PROJECT/$TASK> not found"
+    ;;
+esac

project.config.user.default

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# Project user config is ignored by git.
+# Here you can add variables that users might want to change
+# on their local machine, without commiting to the repository.
+
+# Directory where you install dependencies.
+# Do not confuse with DEPENDENCY_CONFIGS_DIR
+# Example:
+#    libexample source code is at `../libexample`, and dependency config
+#    that specifies how to build this lib is at `dependencies/libexample.config`
+DEPENDENCIES_DIR=".."