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Link Here
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#include <string.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <unistd.h> |
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#include <regex.h> |
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#define PGM "mkheader" |
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#define PGM "mkheader" |
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Link Here
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} |
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} |
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/* Return a malloced string with TRIPLET. If TRIPLET has an alias |
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/* Return a malloced string with TRIPLET. The TRIPLET should conform |
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return that instead. In general build-aux/config.sub should do the |
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* to the hostnames in the header file names in src/syscfg. Assume |
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aliasing but some returned triplets are anyway identical and thus we |
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* build-aux/config.sub correctly validates the names and try to map it |
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use this function to map it to the canonical form. */ |
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* to a header hostname. */ |
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static char * |
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static char * |
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canon_host_triplet (const char *triplet) |
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canon_host_triplet (const char *triplet) |
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{ |
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{ |
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struct { |
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struct { |
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const char *name; |
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const char *pattern; |
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const char *alias; |
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const char *host; |
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} tbl[] = { |
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} tbl[] = { |
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{"i486-pc-linux-gnu", "i686-pc-linux-gnu" }, |
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{"^aarch64.*apple.*", "aarch64-apple-darwin"}, |
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{"i586-pc-linux-gnu" }, |
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{"^aarch64.*", "aarch64-apple-darwin"}, |
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{"i486-pc-gnu", "i686-pc-gnu"}, |
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{"^alpha.*", "alpha-unknown-linux-gnu"}, |
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{"i586-pc-gnu"}, |
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{"^arm.*apple.*", "arm-apple-darwin"}, |
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{"i486-pc-kfreebsd-gnu", "i686-pc-kfreebsd-gnu"}, |
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{"^arm.*android.*", "arm-unknown-linux-androideabi"}, |
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{"i586-pc-kfreebsd-gnu"}, |
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{"^arm.*gnueabihf.*", "arm-unknown-linux-gnueabihf"}, |
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{"x86_64-pc-linux-gnuhardened1", "x86_64-pc-linux-gnu" }, |
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{"^armv6.*musl.*", "armv6-unknown-linux-musleabihf"}, |
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{"powerpc-unknown-linux-gnuspe", "powerpc-unknown-linux-gnu" }, |
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{"^arm.*musl.*", "armv5-unknown-linux-musleabi"}, |
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{"^arm.*", "arm-unknown-linux-gnueabi"}, |
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{"^hppa.*", "hppa-unknown-linux-gnu"}, |
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{"^i[3-6]86.*freebsd.*", "i686-pc-kfreebsd-gnu"}, |
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{"^i[3-6]86.*linux.*", "i686-pc-linux-gnu"}, |
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{"^i[3-6]86.*", "i686-pc-gnu"}, |
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{"^m68.*", "m68k-unknown-linux-gnu"}, |
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{"^mingw.*", "mingw32"}, |
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{"^mips64el.*", "mips64el-unknown-linux-gnuabi64"}, |
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{"^mipsel.*", "mipsel-unknown-linux-gnu"}, |
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{"^mips.*", "mips-unknown-linux-gnu"}, |
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{"^nios2.*", "nios2-unknown-linux-gnu"}, |
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{"^or1k.*", "or1k-unknown-linux-gnu"}, |
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{"^powerpc64le.*", "powerpc64le-unknown-linux-gnu"}, |
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{"^powerpc64.*", "powerpc64-unknown-linux-gnu"}, |
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{"^powerpc.*", "powerpc-unknown-linux-gnu"}, |
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{"^s390.*", "s390x-ibm-linux-gnu"}, |
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{"^sh.*", "sh4-unknown-linux-gnu"}, |
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{"^sparc64.*", "sparc64-unknown-linux-gnu"}, |
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{"^sparc.*", "sparc-unknown-linux-gnu"}, |
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{"^x86_64.*freebsd.*", "x86_64-pc-kfreebsd-gnu"}, |
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{"^x86_64.*musl.*", "x86_64-pc-linux-musl"}, |
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{"^x86_64.*x32.*", "x86_64-pc-linux-gnux32"}, |
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{"^x86_64.*", "x86_64-pc-linux-gnu"}, |
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{ NULL } |
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{ NULL } |
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}; |
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}; |
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int i; |
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regex_t regtest; |
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const char *lastalias = NULL; |
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const char *lasthost = NULL; |
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for (i=0; tbl[i].name; i++) |
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for (int i=0; tbl[i].pattern; i++) |
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{ |
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{ |
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if (tbl[i].alias) |
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lasthost = tbl[i].host; |
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lastalias = tbl[i].alias; |
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if (regcomp(®test, tbl[i].pattern, REG_NOSUB) == 0) |
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if (!strcmp (tbl[i].name, triplet)) |
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if (regexec(®test, triplet, 0, NULL, 0) == 0) |
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{ |
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return xstrdup (lasthost); |
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if (!lastalias) |
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break; /* Ooops: first entry has no alias. */ |
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return xstrdup (lastalias); |
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} |
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} |
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} |
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return xstrdup (triplet); |
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return xstrdup (triplet); |
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} |
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} |
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/* Parse the supplied config.h file and extract required info. |
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/* Parse the supplied config.h file and extract required info. |
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Returns 0 on success. */ |
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Returns 0 on success. */ |
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static int |
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static int |
