diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-01-23 21:50:15 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-01-23 21:50:15 +0000 |
| commit | 31614f7c20bd8844ce91e4eeb7da389c78f5299f (patch) | |
| tree | 426b4cdfa24c0b381ad5f2bef8e8807afd097204 /libcpp | |
| parent | d134bccc6c6b6af4c72a6952bce16e26747cb650 (diff) | |
| download | gcc-31614f7c20bd8844ce91e4eeb7da389c78f5299f.tar.gz | |
PR preprocessor/25717
* init.c (cpp_init_builtins): If __STDC__ will not change value
between system headers and other sources, define it as a normal
macro rather than a builtin.
* macro.c (_cpp_builtin_macro_text) <case BT_STDC>: Only check
cpp_in_system_header condition.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110144 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/ChangeLog | 11 | ||||
| -rw-r--r-- | libcpp/init.c | 8 | ||||
| -rw-r--r-- | libcpp/macro.c | 14 |
3 files changed, 22 insertions, 11 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index b4fae0d48ee..3a4885fc950 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,4 +1,13 @@ -2006-02-05 Paolo Bonzini <bonzini@gnu.org> +2006-01-23 Jakub Jelinek <jakub@redhat.com> + + PR preprocessor/25717 + * init.c (cpp_init_builtins): If __STDC__ will not change value + between system headers and other sources, define it as a normal + macro rather than a builtin. + * macro.c (_cpp_builtin_macro_text) <case BT_STDC>: Only check + cpp_in_system_header condition. + +2006-01-05 Paolo Bonzini <bonzini@gnu.org> * Makefile.in: Use -MMD instead of -MD. diff --git a/libcpp/init.c b/libcpp/init.c index bbf2705b46c..bf4c34cf5dc 100644 --- a/libcpp/init.c +++ b/libcpp/init.c @@ -357,8 +357,14 @@ cpp_init_builtins (cpp_reader *pfile, int hosted) if (CPP_OPTION (pfile, traditional)) n -= 2; + else if (! CPP_OPTION (pfile, stdc_0_in_system_headers) + || CPP_OPTION (pfile, std)) + { + n--; + _cpp_define_builtin (pfile, "__STDC__ 1"); + } - for(b = builtin_array; b < builtin_array + n; b++) + for (b = builtin_array; b < builtin_array + n; b++) { cpp_hashnode *hp = cpp_lookup (pfile, b->name, b->len); hp->type = NT_MACRO; diff --git a/libcpp/macro.c b/libcpp/macro.c index 2f1a97497a1..3204e553b02 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -169,16 +169,12 @@ _cpp_builtin_macro_text (cpp_reader *pfile, cpp_hashnode *node) However, if (a) we are in a system header, (b) the option stdc_0_in_system_headers is true (set by target config), and (c) we are not in strictly conforming mode, then it has the - value 0. */ + value 0. (b) and (c) are already checked in cpp_init_builtins. */ case BT_STDC: - { - if (cpp_in_system_header (pfile) - && CPP_OPTION (pfile, stdc_0_in_system_headers) - && !CPP_OPTION (pfile,std)) - number = 0; - else - number = 1; - } + if (cpp_in_system_header (pfile)) + number = 0; + else + number = 1; break; case BT_DATE: |