diff options
Diffstat (limited to 'gnu/packages/patches/openssh-gcc-13-ppc64le-fzero-call-used-regs.patch')
| -rw-r--r-- | gnu/packages/patches/openssh-gcc-13-ppc64le-fzero-call-used-regs.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gnu/packages/patches/openssh-gcc-13-ppc64le-fzero-call-used-regs.patch b/gnu/packages/patches/openssh-gcc-13-ppc64le-fzero-call-used-regs.patch new file mode 100644 index 0000000000..1af9868b9a --- /dev/null +++ b/gnu/packages/patches/openssh-gcc-13-ppc64le-fzero-call-used-regs.patch @@ -0,0 +1,61 @@ +From 1036d77b34a5fa15e56f516b81b9928006848cbd Mon Sep 17 00:00:00 2001 +From: Damien Miller <djm@mindrot.org> +Date: Fri, 22 Dec 2023 17:56:26 +1100 +Subject: [PATCH] better detection of broken -fzero-call-used-regs +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +gcc 13.2.0 on ppc64le refuses to compile some function, including +cipher.c:compression_alg_list() with an error: + +> sorry, unimplemented: argument ‘used’ is not supportedcw +> for ‘-fzero-call-used-regs’ on this target + +This extends the autoconf will-it-work test with a similarly- +structured function that seems to catch this. + +Spotted/tested by Colin Watson; bz3645 +--- + +Taken from upsteam, and for Guix by jackhill@jackhill.us +Thanks Marcel van der Boom for noticing: https://issues.guix.gnu.org/67948#2 + +m4/openssh.m4 | 12 +++++++++--- + 1 file changed, 9 insertions(+), 3 deletions(-) + +diff --git a/m4/openssh.m4 b/m4/openssh.m4 +index 5d4c56280..033df501c 100644 +--- a/m4/openssh.m4 ++++ b/m4/openssh.m4 +@@ -20,18 +20,24 @@ char *f2(char *s, ...) { + va_end(args); + return strdup(ret); + } ++const char *f3(int s) { ++ return s ? "good" : "gooder"; ++} + int main(int argc, char **argv) { +- (void)argv; + char b[256], *cp; ++ const char *s; + /* Some math to catch -ftrapv problems in the toolchain */ + int i = 123 * argc, j = 456 + argc, k = 789 - argc; + float l = i * 2.1; + double m = l / 0.5; + long long int n = argc * 12345LL, o = 12345LL * (long long int)argc; ++ (void)argv; + f(1); +- snprintf(b, sizeof b, "%d %d %d %f %f %lld %lld\n", i,j,k,l,m,n,o); ++ s = f3(f(2)); ++ snprintf(b, sizeof b, "%d %d %d %f %f %lld %lld %s\n", i,j,k,l,m,n,o,s); + if (write(1, b, 0) == -1) exit(0); +- cp = f2("%d %d %d %f %f %lld %lld\n", i,j,k,l,m,n,o); ++ cp = f2("%d %d %d %f %f %lld %lld %s\n", i,j,k,l,m,n,o,s); ++ if (write(1, cp, 0) == -1) exit(0); + free(cp); + /* + * Test fallthrough behaviour. clang 10's -Wimplicit-fallthrough does +-- +2.41.0 + |