208 lines
7.0 KiB
Makefile
208 lines
7.0 KiB
Makefile
.POSIX:
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all: help
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help:
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@echo "Please use: 'make init', 'make debug', 'make build', 'make release', or 'make clean'"
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@echo "Note: parallel builds (via 'make -jN' where N is some number of how many jobs to generate)"
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@echo "This is supported via recursive build shell calls. Not actually passing -j to make so should work even on a pure POSIX system."
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init:
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@mkdir -p output source_code includes config
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@touch config/version source_code/main.c
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@echo "_00.000.00.0000" > config/version
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@printf '%s\n' \
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'# POSIX Virtual Environment for C Build System.' \
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'# Usage: . config/activate' \
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'' \
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'# Prevents double-sourcing.' \
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'if [ -n "$$_OLD_VIRTUAL_CC" ]; then' \
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' deactivate' \
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'fi' \
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'' \
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'_OLD_VIRTUAL_CC="$$CC"' \
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'_OLD_VIRTUAL_LIBS="$$LIBS"' \
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'_OLD_VIRTUAL_CFLAGS="$$CFLAGS"' \
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'_OLD_VIRTUAL_DEBUG_FLAGS="$$DEBUG_FLAGS"' \
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'_OLD_VIRTUAL_RELEASE_FLAGS="$$RELEASE_FLAGS"' \
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'_OLD_VIRTUAL_PS1="$$PS1"' \
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'' \
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'# Base configuration variables (Updated by "env_set VARIABLE value")' \
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'export CC="cc"' \
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'export LIBS=""' \
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'export CFLAGS=""' \
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'export DEBUG_FLAGS=""' \
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'export RELEASE_FLAGS=""' \
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'export C_VENV_ACTIVE="true"' \
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'' \
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'# Prepend (directory_name_env) to the shell prompt' \
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'ENV_NAME="$$(basename "$$PWD")"' \
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'PS1="($${ENV_NAME}_env) $$PS1"' \
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'export PS1' \
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'' \
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'# Function to dynamically set variables in the terminal AND save them to this file.' \
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'env_set() {' \
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' if [ -z "$$1" ]; then' \
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' echo "Usage: env_set <CC|LIBS|CFLAGS|DEBUG_FLAGS|RELEASE_FLAGS> [value]"' \
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' return 1' \
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' fi' \
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' ' \
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' VAR_NAME="$$1"' \
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' shift' \
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' VAR_VALUE="$$*"' \
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' ' \
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' # Update the active shell session' \
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' export "$$VAR_NAME"="$$VAR_VALUE"' \
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' ' \
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' # Update this activate file using POSIX sed. To ensure the new value persists the next activate.' \
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' sed "s|^export $$VAR_NAME=.*|export $$VAR_NAME=\"$$VAR_VALUE\"|" config/activate > config/activate.tmp' \
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' mv config/activate.tmp config/activate' \
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' ' \
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' echo "Updated $$VAR_NAME to '\''$$VAR_VALUE'\''"' \
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'}' \
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'' \
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'deactivate() {' \
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' # Restore prior environment variables' \
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' if [ -n "$$_OLD_VIRTUAL_CC" ]; then' \
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' export CC="$$_OLD_VIRTUAL_CC"' \
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' else' \
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' unset CC' \
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' fi' \
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'' \
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' if [ -n "$$_OLD_VIRTUAL_LIBS" ]; then' \
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' export LIBS="$$_OLD_VIRTUAL_LIBS"' \
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' else' \
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' unset LIBS' \
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' fi' \
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'' \
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' if [ -n "$$_OLD_VIRTUAL_CFLAGS" ]; then' \
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' export CFLAGS="$$_OLD_VIRTUAL_CFLAGS"' \
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' else' \
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' unset CFLAGS' \
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' fi' \
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'' \
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' if [ -n "$$_OLD_VIRTUAL_DEBUG_FLAGS" ]; then' \
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' export DEBUG_FLAGS="$$_OLD_VIRTUAL_DEBUG_FLAGS"' \
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' else' \
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' unset DEBUG_FLAGS' \
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' fi' \
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'' \
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' if [ -n "$$_OLD_VIRTUAL_RELEASE_FLAGS" ]; then' \
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' export RELEASE_FLAGS="$$_OLD_VIRTUAL_RELEASE_FLAGS"' \
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' else' \
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' unset RELEASE_FLAGS' \
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' fi' \
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'' \
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' if [ -n "$$_OLD_VIRTUAL_PS1" ]; then' \
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' export PS1="$$_OLD_VIRTUAL_PS1"' \
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' fi' \
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' ' \
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' unset _OLD_VIRTUAL_CC' \
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' unset _OLD_VIRTUAL_LIBS' \
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' unset _OLD_VIRTUAL_CFLAGS' \
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' unset _OLD_VIRTUAL_DEBUG_FLAGS' \
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' unset _OLD_VIRTUAL_RELEASE_FLAGS' \
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' unset _OLD_VIRTUAL_PS1' \
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' unset C_VENV_ACTIVE' \
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' unset ENV_NAME' \
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' unset -f env_set' \
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' unset -f deactivate' \
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'}' > config/activate
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@echo "Project initialized. type '. config/activate', or 'source config/activate' to enter the virtual environment."
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clean:
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@rm -rf output/obj_debug output/obj_release config/*.mk
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@rm -f output/*
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@echo "Project Cleaned"
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# Dynamic Build Graph Generators
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debug:
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@if [ -z "$$C_VENV_ACTIVE" ]; then \
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echo "Error: Virtual environment not active."; \
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echo "Please run: '. config/activate' (or 'source config/activate') before building."; \
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exit 1; \
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fi
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@mkdir -p config output/obj_debug
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@PROJ_NAME=$$(basename "$$(pwd)"); \
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VERS=$$(cat config/version 2>/dev/null || echo "_00.000.00.0000"); \
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OUT="output/$${PROJ_NAME}$${VERS}"; \
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MK="config/debug.mk"; \
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ACTIVE_CC=$${CC:-c99}; \
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ACTIVE_LIBS=$${LIBS:-}; \
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ACTIVE_CFLAGS=$${CFLAGS:-}; \
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ACTIVE_DEBUG_FLAGS=$${DEBUG_FLAGS:-}; \
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echo ".POSIX:" > $$MK; \
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OBJS=""; \
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SRCS=$$(find source_code -type f -name '*.c' 2>/dev/null); \
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for SRC in $$SRCS; do \
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OBJ="output/obj_debug/$${SRC}.o"; \
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OBJS="$$OBJS $$OBJ"; \
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echo "$$OBJ: $$SRC" >> $$MK; \
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echo " @mkdir -p $$(dirname $$OBJ)" >> $$MK; \
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echo " $$ACTIVE_CC $$ACTIVE_CFLAGS $$ACTIVE_DEBUG_FLAGS -I includes -c $$SRC -o $$OBJ $$ACTIVE_LIBS" >> $$MK; \
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done; \
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echo "$$OUT: $$OBJS" >> $$MK; \
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echo " $$ACTIVE_CC $$ACTIVE_CFLAGS $$ACTIVE_DEBUG_FLAGS -o $$OUT $$OBJS $$ACTIVE_LIBS" >> $$MK; \
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$(MAKE) -f $$MK "$$OUT"
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build:
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@if [ -z "$$C_VENV_ACTIVE" ]; then \
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echo "Error: Virtual environment not active."; \
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echo "Please run: '. config/activate' (or 'source config/activate') before building."; \
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exit 1; \
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fi
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@mkdir -p config output/obj_release
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@PROJ_NAME=$$(basename "$$(pwd)"); \
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VERS=$$(cat config/version 2>/dev/null || echo "_00.000.00.0000"); \
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OUT="output/$${PROJ_NAME}$${VERS}"; \
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MK="config/build.mk"; \
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ACTIVE_CC=$${CC:-c99}; \
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ACTIVE_LIBS=$${LIBS:-}; \
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ACTIVE_CFLAGS=$${CFLAGS:-}; \
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ACTIVE_RELEASE_FLAGS=$${RELEASE_FLAGS:-}; \
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echo ".POSIX:" > $$MK; \
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OBJS=""; \
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SRCS=$$(find source_code -type f -name '*.c' 2>/dev/null); \
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for SRC in $$SRCS; do \
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OBJ="output/obj_release/$${SRC}.o"; \
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OBJS="$$OBJS $$OBJ"; \
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echo "$$OBJ: $$SRC" >> $$MK; \
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echo " @mkdir -p $$(dirname $$OBJ)" >> $$MK; \
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echo " $$ACTIVE_CC $$ACTIVE_CFLAGS $$ACTIVE_RELEASE_FLAGS -I includes -c $$SRC -o $$OBJ $$ACTIVE_LIBS" >> $$MK; \
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done; \
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echo "$$OUT: $$OBJS" >> $$MK; \
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echo " $$ACTIVE_CC $$ACTIVE_CFLAGS $$ACTIVE_RELEASE_FLAGS -o $$OUT $$OBJS $$ACTIVE_LIBS" >> $$MK; \
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$(MAKE) -f $$MK "$$OUT"
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release:
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@if [ -z "$$C_VENV_ACTIVE" ]; then \
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echo "Error: Virtual environment not active."; \
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echo "Please run: '. config/activate' (or 'source config/activate') before building."; \
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exit 1; \
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fi
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@mkdir -p config output/obj_release
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@DATE_STR=$$(date +_%y.%j.%H.%M%S); \
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echo "$$DATE_STR" > config/version; \
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echo "Project version updated to: $$DATE_STR"
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@PROJ_NAME=$$(basename "$$(pwd)"); \
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VERS=$$(cat config/version 2>/dev/null); \
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OUT="output/$${PROJ_NAME}$${VERS}"; \
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MK="config/release.mk"; \
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ACTIVE_CC=$${CC:-c99}; \
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ACTIVE_LIBS=$${LIBS:-}; \
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ACTIVE_CFLAGS=$${CFLAGS:-}; \
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ACTIVE_RELEASE_FLAGS=$${RELEASE_FLAGS:-}; \
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echo ".POSIX:" > $$MK; \
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OBJS=""; \
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SRCS=$$(find source_code -type f -name '*.c' 2>/dev/null); \
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for SRC in $$SRCS; do \
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OBJ="output/obj_release/$${SRC}.o"; \
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OBJS="$$OBJS $$OBJ"; \
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echo "$$OBJ: $$SRC" >> $$MK; \
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echo " @mkdir -p $$(dirname $$OBJ)" >> $$MK; \
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echo " $$ACTIVE_CC $$ACTIVE_CFLAGS $$ACTIVE_RELEASE_FLAGS -I includes -c $$SRC -o $$OBJ $$ACTIVE_LIBS" >> $$MK; \
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done; \
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echo "$$OUT: $$OBJS" >> $$MK; \
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echo " $$ACTIVE_CC $$ACTIVE_CFLAGS $$ACTIVE_RELEASE_FLAGS -o $$OUT $$OBJS $$ACTIVE_LIBS" >> $$MK; \
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$(MAKE) -f $$MK "$$OUT"
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