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builder: use some -cstrict flags only with clang (gcc does not understand them)

pull/10182/head
Delyan Angelov 2021-05-23 20:59:56 +03:00
parent ded8897671
commit 603e57745f
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GPG Key ID: 66886C0F12D595ED
1 changed files with 9 additions and 6 deletions
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15
vlib/v/builder/cc.v
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@ -199,17 +199,11 @@ fn (mut v Builder) setup_ccompiler_options(ccompiler string) {
'-Wno-unused',
'-Wno-type-limits',
'-Wno-tautological-compare',
'-Wno-tautological-bitwise-compare',
// these cause various issues:
'-Wno-enum-conversion' /* used in vlib/sokol, where C enums in C structs are typed as V structs instead */,
'-Wno-sometimes-uninitialized' /* produced after exhaustive matches */,
'-Wno-shadow' /* the V compiler already catches this for user code, and enabling this causes issues with e.g. the `it` variable */,
'-Wno-int-to-void-pointer-cast',
'-Wno-int-to-pointer-cast' /* gcc version of the above */,
'-Wno-trigraphs' /* see stackoverflow.com/a/8435413 */,
'-Wno-missing-braces' /* see stackoverflow.com/q/13746033 */,
'-Wno-unknown-warning' /* if a C compiler does not understand a certain flag, it should just ignore it */,
'-Wno-unknown-warning-option' /* clang equivalent of the above */,
// enable additional warnings:
'-Wdate-time',
'-Wduplicated-branches',
@ -265,6 +259,14 @@ fn (mut v Builder) setup_ccompiler_options(ccompiler string) {
if have_flto {
optimization_options << '-flto'
}
ccoptions.wargs << [
'-Wno-tautological-bitwise-compare',
'-Wno-enum-conversion' /* used in vlib/sokol, where C enums in C structs are typed as V structs instead */,
'-Wno-sometimes-uninitialized' /* produced after exhaustive matches */,
'-Wno-int-to-void-pointer-cast',
'-Wno-unknown-warning' /* if a C compiler does not understand a certain flag, it should just ignore it */,
'-Wno-unknown-warning-option' /* clang equivalent of the above */,
]
}
if ccoptions.is_cc_gcc {
if ccoptions.debug_mode {
@ -316,6 +318,7 @@ fn (mut v Builder) setup_ccompiler_options(ccompiler string) {
if ccoptions.debug_mode && os.user_os() != 'windows' && v.pref.build_mode != .build_module {
ccoptions.linker_flags << '-rdynamic' // needed for nicer symbolic backtraces
}
if ccompiler != 'msvc' && v.pref.os != .freebsd {
ccoptions.wargs << '-Werror=implicit-function-declaration'
}