compiler: Add -g option to compiler

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>

diff --git a/src/compiler/abstract_compiler.nit b/src/compiler/abstract_compiler.nit
index 21ad2a6..8850b86 100644 (file)
--- a/src/compiler/abstract_compiler.nit
+++ b/src/compiler/abstract_compiler.nit
@@ -69,6 +69,8 @@ redef class ToolContext
        var opt_no_gcc_directive = new OptionArray("Disable a advanced gcc directives for optimization", "--no-gcc-directive")
        # --release
        var opt_release = new OptionBool("Compile in release mode and finalize application", "--release")
+       # -g
+       var opt_debug = new OptionBool("Compile in debug mode (no C-side optimization)", "--debug", "-g")
 
        redef init
        do
@@ -80,6 +82,7 @@ redef class ToolContext
                self.option_context.add_option(self.opt_no_gcc_directive)
                self.option_context.add_option(self.opt_release)
                self.option_context.add_option(self.opt_max_c_lines, self.opt_group_c_files)
+               self.option_context.add_option(self.opt_debug)
 
                opt_no_main.hidden = true
        end
@@ -156,10 +159,13 @@ class MakefileToolchain
 
        redef fun write_and_make
        do
+               var debug = toolcontext.opt_debug.value
                var compile_dir = compile_dir
 
                # Remove the compilation directory unless explicitly set
                var auto_remove = toolcontext.opt_compile_dir.value == null
+               # If debug flag is set, do not remove sources
+               if debug then auto_remove = false
 
                # Generate the .h and .c files
                # A single C file regroups many compiled rumtime functions
@@ -341,8 +347,9 @@ class MakefileToolchain
                        var libs = m.collect_linker_libs
                        if libs != null then linker_options.add_all(libs)
                end
+               var debug = toolcontext.opt_debug.value
 
-               makefile.write("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g -O2 -Wno-unused-value -Wno-switch -Wno-attributes\nCINCL =\nLDFLAGS ?= \nLDLIBS  ?= -lm {linker_options.join(" ")}\n\n")
+               makefile.write("CC = ccache cc\nCXX = ccache c++\nCFLAGS = -g{ if not debug then " -O2 " else " "}-Wno-unused-value -Wno-switch -Wno-attributes\nCINCL =\nLDFLAGS ?= \nLDLIBS  ?= -lm {linker_options.join(" ")}\n\n")
 
                makefile.write "\n# SPECIAL CONFIGURATION FLAGS\n"
                if platform.supports_libunwind then