build: force char to unsigned-char

Handful of places throughout the codebase rely on the data to be unsigned char. While most of those should be addressed now, one could argue that we should be switching the default and resolve the whole class of issues, instead of playing whack-a-mole by fixing individual bugs. Signed-off-by: Emil Velikov <[email protected]>
kmod-project · Nov 16, 2024 · 84f6a65 · 84f6a65
1 parent c78b364
commit 84f6a65
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diff --git a/configure.ac b/configure.ac
@@ -261,6 +261,7 @@ CC_CHECK_FLAGS_APPEND(with_cflags, [CFLAGS], [\
 		       -fdiagnostics-show-option \
 		       -ffunction-sections \
 		       -fno-common \
+		       -funsigned-char \
 		       -fvisibility=hidden \
 		       -W \
 		       -Wall \

diff --git a/meson.build b/meson.build
@@ -116,6 +116,7 @@ add_project_arguments(
     '-fdiagnostics-show-option',
     '-ffunction-sections',
     '-fno-common',
+    '-funsigned-char',
     '-Wchar-subscripts',
     '-Wdeclaration-after-statement',
     '-Wendif-labels',