Organise linker and cc flags a bit

1 files changed, 22 insertions, 4 deletions

diff --git a/meson.build b/meson.build
index eb9ae1e..8160a0a 100644
--- a/meson.build
+++ b/meson.build
@@ -6,17 +6,35 @@ project('minecproxy',
 		'c_std=gnu18',
 		'sysconfdir=/etc',
 		'warning_level=2',
+		'b_lto=true',
 	]
 )
 
 cc = meson.get_compiler('c')
 
-basic_disabled_warnings = [
-	'-Wno-sign-compare',
+cc_flags = [
+	'-D_GNU_SOURCE',
 ]
-add_project_arguments(cc.get_supported_arguments(basic_disabled_warnings), language : 'c')
+cc_warning_flags = [
+	'-Wno-sign-compare',	# Lots of pointless warnings
+]
+cc_flags += cc.get_supported_arguments(cc_warning_flags)
+cc_extra_flags = [
+	'-ffunction-sections',	# Generate each function in a separate section
+	'-fdata-sections',	# Ditto for data
+]
+cc_flags += cc.get_supported_arguments(cc_extra_flags)
+add_project_arguments(cc_flags, language: 'c')
 
-add_project_arguments('-D_GNU_SOURCE', language: 'c')
+ld_flags = []
+ld_extra_flags = [
+	'-Wl,-z,defs',		# Detect and reject underlinking
+	'-Wl,-z,now',		# Disable lazy binding
+	'-Wl,-z,relro',		# Read-only segments after relocation
+	'-Wl,--gc-sections',	# Remove unused sections
+]
+ld_flags += cc.get_supported_link_arguments(ld_extra_flags)
+add_project_link_arguments(ld_flags, language: 'c')
 
 sysconfdir = join_paths(get_option('prefix'), get_option('sysconfdir'), meson.project_name())
 mainconfname = meson.project_name() + '.conf'