# Klammertext sks/ Makefile
# Builds all .so files in sks/ subdirectories

K := $(KLAMMERTEXT_HOME)
KS := $(K)/sks
KM := $(K)/mac

# Shared library that all .so files depend on
LIBRARY := $(K)/lib/libklammertext.so

# Support directories (build .o files used by other sks/ components)
SUPPORT_DIRS := kutil target

# Excluded directories:
#   kutil, target - support directories that build .o files, not .so
#   book, phase - obsolete, not updated for libklammertext.so

# Directories that build .so files (excluding support and obsolete directories)
# Find all subdirectories with Makefiles that have .so build targets
# (look for lines like "xyz.so :" or "all : xyz.so")
SO_DIRS := $(shell for dir in $(KS)/*/; do \
    if [ -f "$${dir}Makefile" ] && grep -qE '^[a-z]+\.so\s*:|all\s*:.*\.so' "$${dir}Makefile" 2>/dev/null; then \
        basename "$$dir"; \
    fi; done | grep -v -E '^(kutil|target|book|phase)$$')

.PHONY: all clean support $(SUPPORT_DIRS) $(SO_DIRS)

# Default target: build support first, then all .so files
all : support $(SO_DIRS)

# Build support directories
support : $(SUPPORT_DIRS)

kutil :
	$(MAKE) -j -C $(KS)/kutil

target : kutil
	$(MAKE) -j -C $(KS)/target

# Pattern rule for .so directories
# Each depends on the library and support directories
$(SO_DIRS) : support $(LIBRARY)
	$(MAKE) -j -C $(KS)/$@

# Clean all subdirectories
clean :
	@for dir in $(SUPPORT_DIRS) $(SO_DIRS); do \
		echo "Cleaning $$dir..."; \
		$(MAKE) -C $(KS)/$$dir clean; \
	done

# Rebuild everything
redo : clean all