feat: make dialogs a shared library

programs/src/dialogs/Makefile

@@ -1,4 +1,4 @@
-# Makefile for shared dialogs (standalone Window Server app) on MontaukOS
+# Makefile for libdialogs shared library on MontaukOS
 # Copyright (c) 2026 Daniel Hammer
 
 MAKEFLAGS += -rR
@@ -6,16 +6,23 @@ MAKEFLAGS += -rR
 
 TOOLCHAIN_PREFIX := $(shell cd ../../.. && pwd)/toolchain/local/bin/x86_64-elf-
 ifneq ($(wildcard $(TOOLCHAIN_PREFIX)gcc),)
+    CC  := $(TOOLCHAIN_PREFIX)gcc
     CXX := $(TOOLCHAIN_PREFIX)g++
+    LD  := $(TOOLCHAIN_PREFIX)ld
+    STRIP := $(TOOLCHAIN_PREFIX)strip
 else
+    CC  := gcc
     CXX := g++
+    LD  := ld
+    STRIP := strip
 endif
 
 PROG_INC := ../../include
-LINK_LD  := ../../link.ld
-BINDIR   := ../../bin
-OBJDIR   := obj
-LIBDIR   := ../../lib
+LIBOUTDIR := ../../bin/os
+OBJDIR    := obj
+LEGACY_APPDIR := ../../bin/apps/dialogs
+LIBC_SRC := ../../lib/libc/libc.c
+GCC_INCLUDE := $(shell $(CC) -print-file-name=include)
 
 CXXFLAGS := \
     -std=gnu++20 \
@@ -28,7 +35,7 @@ CXXFLAGS := \
     -ffreestanding \
     -fno-stack-protector \
     -fno-stack-check \
-    -fno-PIC \
+    -fPIC \
     -fno-rtti \
     -fno-exceptions \
     -ffunction-sections \
@@ -40,6 +47,7 @@ CXXFLAGS := \
     -mno-red-zone \
     -mcmodel=small \
     -MMD -MP \
+    -DGUI_DIALOGS_LIBRARY_BUILD \
     -I $(PROG_INC) \
     -isystem $(PROG_INC)/libc \
     -I ../../lib/bearssl/inc \
@@ -47,33 +55,60 @@ CXXFLAGS := \
     -isystem ../../../kernel/freestnd-cxx-hdrs/x86_64/include
 
 LDFLAGS := \
-    -nostdlib \
-    -static \
-    -Wl,--build-id=none \
-    -Wl,--gc-sections \
-    -Wl,-m,elf_x86_64 \
-    -z max-page-size=0x1000 \
-    -T $(LINK_LD)
+    -shared \
+    --build-id=none \
+    --gc-sections \
+    --hash-style=sysv \
+    -u dialogs_run_request \
+    -m elf_x86_64 \
+    -z max-page-size=0x1000
+
+LIBC_CFLAGS := \
+    -std=gnu11 \
+    -g -O2 -pipe \
+    -Wall \
+    -Wno-unused-parameter \
+    -nostdinc \
+    -ffreestanding \
+    -fno-stack-protector \
+    -fno-stack-check \
+    -fPIC \
+    -ffunction-sections \
+    -fdata-sections \
+    -m64 \
+    -march=x86-64 \
+    -msse \
+    -msse2 \
+    -mno-red-zone \
+    -mcmodel=small \
+    -isystem $(PROG_INC)/libc \
+    -isystem $(GCC_INCLUDE)
 
 SRCS := main.cpp filedialog.cpp printdialog.cpp stb_truetype_impl.cpp font_data.cpp
 OBJS := $(addprefix $(OBJDIR)/,$(SRCS:.cpp=.o))
+LIBC_PIC_OBJ := $(OBJDIR)/libc_pic.o
 
-TARGET := $(BINDIR)/apps/dialogs/dialogs.elf
-LIBS := $(LIBDIR)/tls/libtls.a $(LIBDIR)/bearssl/libbearssl.a $(LIBDIR)/libc/liblibc.a
+TARGET := $(LIBOUTDIR)/libdialogs.lib
 
 .PHONY: all clean
 
 all: $(TARGET)
 
-$(TARGET): $(OBJS) $(LINK_LD) Makefile $(LIBS)
-	mkdir -p $(BINDIR)/apps/dialogs
-	$(CXX) $(CXXFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
+$(TARGET): $(OBJS) $(LIBC_PIC_OBJ) Makefile
+	mkdir -p $(LIBOUTDIR)
+	rm -rf $(LEGACY_APPDIR)
+	$(LD) $(LDFLAGS) $(OBJS) $(LIBC_PIC_OBJ) -o $@
+	$(STRIP) --strip-debug $@
 
 $(OBJDIR)/%.o: %.cpp Makefile
 	mkdir -p $(OBJDIR)
 	$(CXX) $(CXXFLAGS) -c $< -o $@
 
+$(LIBC_PIC_OBJ): $(LIBC_SRC) Makefile
+	mkdir -p $(OBJDIR)
+	$(CC) $(LIBC_CFLAGS) -c $(LIBC_SRC) -o $@
+
 -include $(OBJS:.o=.d)
 
 clean:
-	rm -rf $(OBJDIR) $(TARGET)
+	rm -rf $(OBJDIR) $(TARGET) $(LEGACY_APPDIR)