use packed ca.pem

examples/http-client/Makefile

@@ -1,14 +1,16 @@
 PROG ?= example                   # Program we are building
+PACK ?= ./pack                    # Packing executable
 DELETE = rm -rf                   # Command to remove files
 OUT ?= -o $(PROG)                 # Compiler argument for output file
-SOURCES = main.c mongoose.c       # Source code files
+SOURCES = main.c mongoose.c  packed_fs.c      # Source code files, packed_fs.c contains ca.pem, which contains CA certs for TLS
 CFLAGS = -W -Wall -Wextra -g -I.  # Build options
 
 # Mongoose build options. See https://mongoose.ws/documentation/#build-options
-CFLAGS_MONGOOSE += -DMG_ENABLE_LINES=1
+CFLAGS_MONGOOSE += -DMG_ENABLE_LINES=1 -DMG_ENABLE_PACKED_FS=1
 
 ifeq ($(OS),Windows_NT)   # Windows settings. Assume MinGW compiler. To use VC: make CC=cl CFLAGS=/MD OUT=/Feprog.exe
   PROG ?= example.exe           # Use .exe suffix for the binary
+  PACK = pack.exe               # Packing executable
   CC = gcc                      # Use MinGW gcc compiler
   CFLAGS += -lws2_32            # Link against Winsock library
   DELETE = cmd /C del /Q /F /S  # Command prompt command to delete files
@@ -25,6 +27,11 @@ $(PROG): $(SOURCES)       # Build program from sources
 clean:                    # Cleanup. Delete built program and all build artifacts
 	$(DELETE) $(PROG) *.o *.obj *.exe *.dSYM mbedtls
 
+# Generate packed filesystem for serving cert
+packed_fs.c: $(wildcard certs/*) Makefile
+	$(CC) ../../test/pack.c -o $(PACK)
+	$(PACK) $(wildcard certs/*) > $@
+
 # see https://mongoose.ws/tutorials/tls/#how-to-build for TLS build options
 
 mbedtls:                  # Pull and build mbedTLS library