diff options
Diffstat (limited to 'doc/software.md')
| -rw-r--r-- | doc/software.md | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/doc/software.md b/doc/software.md index b4d5c9d..368fa8d 100644 --- a/doc/software.md +++ b/doc/software.md @@ -7,23 +7,31 @@ special procedures necessary. Builds without issue with musl. On glibc, there are some errors due to the declaration of `strsep` conflicting with the system declaration in -usage of `restrict` (see [#50]). +usage of `restrict` (see [#50]). This can be resolved with the diff below. + +```diff +diff --git a/util.h b/util.h +index 6c0aba9..9b6022c 100644 +--- a/util.h ++++ b/util.h +@@ -57,6 +57,7 @@ size_t strlcpy(char *, const char *, size_t); + size_t estrlcpy(char *, const char *, size_t); + + #undef strsep ++#define strsep xstrsep + char *strsep(char **, const char *); + + /* regex */ +``` [#50]: https://todo.sr.ht/~mcf/cc-issues/50 ## mcpp -Builds without issue. +Builds without issue. Requires `CFLAGS=-D_POSIX_C_SOURCE=200112L`. ## binutils -QBE must be built with `NPred` (in `all.h`) at least 297, or patched to -use dynamic arrays for phi predecessors ([f6a7d135]). - -On glibc systems, you must make sure to include `crtbegin.o` and -`crtend.o` from gcc at the end of `startfiles` and beginning of `endfiles` -respectively. - On musl systems, you must define `long double` to match `double` (as below) to avoid errors in unused `static inline` functions in musl's `math.h`. Note: this is a hack and won't be ABI-incompatible with musl; @@ -47,16 +55,16 @@ https://github.com/michaelforney/binutils-gdb/ - Make `regcomp` and `regexec` match the header declaration in usage of `restrict`. - Don't declare `vasprintf` unless it was checked for and not - found. Several subdirectories in binutils include `libiberty.h`, - but don't use `vasprintf`, causing conflicting declarations with libc - in usage of `restrict`. + found (applied to libiberty upstream). - Make sure `config.h` is included in `arlex.c` so that the appropriate feature-test macros get defined to expose `strdup`. Configure with - ./configure CC=/path/to/cc CFLAGS_FOR_BUILD=-D_GNU_SOURCE \ - --disable-intl --disable-gdb --disable-plugins --disable-readline +``` +./configure CFLAGS_FOR_BUILD=-D_GNU_SOURCE \ + --disable-intl --disable-gdb --disable-plugins --disable-readline +``` [f6a7d135]: https://git.sr.ht/~mcf/qbe/commit/f6a7d135d54f5281547f20cc4f72a5e85862157c |