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| author | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2018-02-20 21:53:51 -0600 |
|---|---|---|
| committer | A. Wilcox <AWilcox@Wilcox-Tech.com> | 2018-02-20 21:54:20 -0600 |
| commit | 6d7203982c05651f748825deb393eb6480c03e32 (patch) | |
| tree | f771531d5103dede68a6c9f52b349d8ba04cbb09 /system/gcc/011_all_default-warn-format-security.patch | |
| parent | 866f81aaa5e438537e6a4b30c1f0fcecc713a1a2 (diff) | |
| download | packages-6d7203982c05651f748825deb393eb6480c03e32.tar.gz packages-6d7203982c05651f748825deb393eb6480c03e32.tar.bz2 packages-6d7203982c05651f748825deb393eb6480c03e32.tar.xz packages-6d7203982c05651f748825deb393eb6480c03e32.zip | |
system/gcc: maintain our own toolchain
Diffstat (limited to 'system/gcc/011_all_default-warn-format-security.patch')
| -rw-r--r-- | system/gcc/011_all_default-warn-format-security.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/system/gcc/011_all_default-warn-format-security.patch b/system/gcc/011_all_default-warn-format-security.patch new file mode 100644 index 000000000..a58383a8e --- /dev/null +++ b/system/gcc/011_all_default-warn-format-security.patch @@ -0,0 +1,43 @@ +Enable -Wformat and -Wformat-security by default. + + +--- a/gcc/c-family/c.opt ++++ b/gcc/c-family/c.opt +@@ -412,7 +412,7 @@ C ObjC C++ ObjC++ Var(warn_format_nonliteral) Warning LangEnabledBy(C ObjC C++ O + Warn about format strings that are not literals + + Wformat-security +-C ObjC C++ ObjC++ Var(warn_format_security) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) ++C ObjC C++ ObjC++ Var(warn_format_security) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wformat=, warn_format >= 2, 0) + Warn about possible security problems with format functions + + Wformat-y2k +@@ -424,7 +424,7 @@ C ObjC C++ ObjC++ Var(warn_format_zero_length) Warning LangEnabledBy(C ObjC C++ + Warn about zero-length formats + + Wformat= +-C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) ++C ObjC C++ ObjC++ Joined RejectNegative UInteger Var(warn_format) Init(1) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) + Warn about printf/scanf/strftime/strfmon format string anomalies + + Wignored-qualifiers +--- a/gcc/doc/gcc.info ++++ b/gcc/doc/gcc.info +@@ -3451,6 +3451,8 @@ compiler warns that an unrecognized option is present. + '-Wno-format-contains-nul', '-Wno-format-extra-args', and + '-Wno-format-zero-length'. '-Wformat' is enabled by '-Wall'. + ++ This option is enabled by default in Alpine Linux. ++ + '-Wno-format-contains-nul' + If '-Wformat' is specified, do not warn about format strings + that contain NUL bytes. +@@ -3496,6 +3498,8 @@ compiler warns that an unrecognized option is present. + future warnings may be added to '-Wformat-security' that are + not included in '-Wformat-nonliteral'.) + ++ This option is enabled by default in Alpine Linux. ++ + '-Wformat-y2k' + If '-Wformat' is specified, also warn about 'strftime' formats + that may yield only a two-digit year. |