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curl
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build: add picky compiler warning flags for gcc 6 and 7

This commit is contained in:
Eric Gallager 2018-02-12 01:42:47 -05:00 committed by Daniel Stenberg
parent 4e884615d1
commit a19fefb070
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6 changed files with 25 additions and 5 deletions
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0
acinclude.m4 Executable file → Normal file
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4
lib/curl_addrinfo.c
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@ -345,7 +345,7 @@ Curl_he2ai(const struct hostent *he, int port)
addr = (void *)ai->ai_addr; /* storage area for this info */
memcpy(&addr->sin_addr, curr, sizeof(struct in_addr));
addr->sin_family = (unsigned short)(he->h_addrtype);
addr->sin_family = (sa_family_t)(he->h_addrtype);
addr->sin_port = htons((unsigned short)port);
break;
@ -354,7 +354,7 @@ Curl_he2ai(const struct hostent *he, int port)
addr6 = (void *)ai->ai_addr; /* storage area for this info */
memcpy(&addr6->sin6_addr, curr, sizeof(struct in6_addr));
addr6->sin6_family = (unsigned short)(he->h_addrtype);
addr6->sin6_family = (sa_family_t)(he->h_addrtype);
addr6->sin6_port = htons((unsigned short)port);
break;
#endif

5
lib/mime.c
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@ -1193,7 +1193,10 @@ CURLcode Curl_mime_duppart(curl_mimepart *dst, const curl_mimepart *src)
}
/* Duplicate other fields. */
dst->encoder = src->encoder;
if(dst != NULL)
dst->encoder = src->encoder;
else
res = CURLE_WRITE_ERROR;
if(!res)
res = curl_mime_type(dst, src->mimetype);
if(!res)

2
lib/tftp.c
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@ -1010,7 +1010,7 @@ static CURLcode tftp_connect(struct connectdata *conn, bool *done)
state->requested_blksize = blksize;
((struct sockaddr *)&state->local_addr)->sa_family =
(unsigned short)(conn->ip_addr->ai_family);
(sa_family_t)(conn->ip_addr->ai_family);
tftp_set_timeouts(state);

2
lib/timeval.c
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@ -110,7 +110,7 @@ struct curltime Curl_now(void)
usecs /= 1000;
cnow.tv_sec = usecs / 1000000;
cnow.tv_usec = usecs % 1000000;
cnow.tv_usec = (int)(usecs % 1000000);
return cnow;
}

17
m4/curl-compilers.m4
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@ -1044,6 +1044,23 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
tmp_CFLAGS="$tmp_CFLAGS -Wdouble-promotion"
fi
#
dnl Only gcc 6 or later
if test "$compiler_num" -ge "600"; then
tmp_CFLAGS="$tmp_CFLAGS -Wshift-negative-value"
tmp_CFLAGS="$tmp_CFLAGS -Wshift-overflow=2"
tmp_CFLAGS="$tmp_CFLAGS -Wnull-dereference"
tmp_CFLAGS="$tmp_CFLAGS -Wduplicated-cond"
fi
#
dnl Only gcc 7 or later
if test "$compiler_num" -ge "700"; then
tmp_CFLAGS="$tmp_CFLAGS -Wduplicated-branches"
tmp_CFLAGS="$tmp_CFLAGS -Wrestrict"
tmp_CFLAGS="$tmp_CFLAGS -Walloc-zero"
tmp_CFLAGS="$tmp_CFLAGS -Wformat-overflow=2"
tmp_CFLAGS="$tmp_CFLAGS -Wformat-truncation=2"
fi
#
fi
#
dnl Do not issue warnings for code in system include paths.