From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1643) id 78EDB3858D32; Sat, 19 Nov 2022 14:44:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 78EDB3858D32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1668869078; bh=QZwwad8D8j/FXbFgRaF6oxMKy9mKSbUqFDtF8P9/oaE=; h=From:To:Subject:Date:From; b=uAgNuG9fVzMHUxC/TxxfjPnlSNEIBn1UVnSPeSjBnH8MuTKm3fuWA2oNXTl+RxVpq xicNB1ExvOxNl8WzFDlakrEe5mlVlAdpgzWW/Eh+qRvsEj7APFsXMsFa0qJKuaIFIf Amal4DFyd9ZBLDF7MjRadmGrS80odXzAyunG9iq8= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Thomas Schwinge To: gcc-cvs@gcc.gnu.org Subject: [gcc r10-11089] nvptx: In 'STARTFILE_SPEC', fix 'crt0.o' for '-mmainkernel' X-Act-Checkin: gcc X-Git-Author: Thomas Schwinge X-Git-Refname: refs/heads/releases/gcc-10 X-Git-Oldrev: 1bfdef41ed7ae507823047663fb4305c57b1717b X-Git-Newrev: 3180cd7383af2fa4188c59da289bbddb095177c2 Message-Id: <20221119144438.78EDB3858D32@sourceware.org> Date: Sat, 19 Nov 2022 14:44:38 +0000 (GMT) List-Id: https://gcc.gnu.org/g:3180cd7383af2fa4188c59da289bbddb095177c2 commit r10-11089-g3180cd7383af2fa4188c59da289bbddb095177c2 Author: Thomas Schwinge Date: Fri Nov 18 23:57:52 2022 +0100 nvptx: In 'STARTFILE_SPEC', fix 'crt0.o' for '-mmainkernel' A recent nvptx-tools change: commit 886a95faf66bf66a82fc0fe7d2a9fd9e9fec2820 "ld: Don't search for input files in '-L'directories" (of "Match standard 'ld' "search" behavior") in GCC/nvptx target testing generally causes linking to fail with: error opening crt0.o collect2: error: ld returned 1 exit status compiler exited with status 1 Indeed per GCC '-v' output, there is an undecorated 'crt0.o' on the linker ('collect2') command line: [...]/build-gcc/./gcc/collect2 -o [...] crt0.o [...] This is due to: gcc/config/nvptx/nvptx.h:#define STARTFILE_SPEC "%{mmainkernel:crt0.o}" ..., and the fix, as used by numerous other GCC targets, is to instead use 'crt0.o%s'; for '%s' means, per 'gcc/gcc.cc', "The Specs Language": %s current argument is the name of a library or startup file of some sort. Search for that file in a standard list of directories and substitute the full name found. With that, we get the expected path to 'crt0.o'. gcc/ * config/nvptx/nvptx.h (STARTFILE_SPEC): Fix 'crt0.o' for '-mmainkernel'. (cherry picked from commit dda43e1ef0c9f6c32ad022d3a08ce7651e42a129) Diff: --- gcc/config/nvptx/nvptx.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/config/nvptx/nvptx.h b/gcc/config/nvptx/nvptx.h index ca1aa11d852..95ef0422a35 100644 --- a/gcc/config/nvptx/nvptx.h +++ b/gcc/config/nvptx/nvptx.h @@ -27,7 +27,7 @@ /* Run-time Target. */ -#define STARTFILE_SPEC "%{mmainkernel:crt0.o}" +#define STARTFILE_SPEC "%{mmainkernel:crt0.o%s}" #define ASM_SPEC "%{misa=*:-m %*}"