diff options
| -rw-r--r-- | gnu/local.mk | 2 | ||||
| -rw-r--r-- | gnu/packages/gcc.scm | 1 | ||||
| -rw-r--r-- | gnu/packages/patches/gcc-4-compile-with-gcc-5.patch | 65 |
3 files changed, 68 insertions, 0 deletions
diff --git a/gnu/local.mk b/gnu/local.mk index 9b01b05b6f..ecee15b1dc 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -11,6 +11,7 @@ # Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com> # Copyright © 2016, 2017 Alex Vong <alexvong1995@gmail.com> # Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il> +# Copyright © 2016, 2017 Jan Nieuwenhuizen <janneke@gnu.org> # Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr> # Copyright © 2017 Clément Lassieur <clement@lassieur.org> # Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> @@ -637,6 +638,7 @@ dist_patch_DATA = \ %D%/packages/patches/gcc-cross-environment-variables.patch \ %D%/packages/patches/gcc-libvtv-runpath.patch \ %D%/packages/patches/gcc-strmov-store-file-names.patch \ + %D%/packages/patches/gcc-4-compile-with-gcc-5.patch \ %D%/packages/patches/gcc-4.6-gnu-inline.patch \ %D%/packages/patches/gcc-4.9.3-mingw-gthr-default.patch \ %D%/packages/patches/gcc-5.0-libvtv-runpath.patch \ diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm index 7870d4513f..79e159f1a5 100644 --- a/gnu/packages/gcc.scm +++ b/gnu/packages/gcc.scm @@ -136,6 +136,7 @@ where the OS part is overloaded to denote a specific ABI---into GCC (method url-fetch) (uri (string-append "mirror://gnu/gcc/gcc-" version "/gcc-" version ".tar.bz2")) + (patches (search-patches "gcc-4-compile-with-gcc-5.patch")) (sha256 (base32 "10k2k71kxgay283ylbbhhs51cl55zn2q38vj5pk4k950qdnirrlj")))) diff --git a/gnu/packages/patches/gcc-4-compile-with-gcc-5.patch b/gnu/packages/patches/gcc-4-compile-with-gcc-5.patch new file mode 100644 index 0000000000..861cd4857a --- /dev/null +++ b/gnu/packages/patches/gcc-4-compile-with-gcc-5.patch @@ -0,0 +1,65 @@ +Taken from https://gcc.gnu.org/cgi-bin/get-raw-msg?listname=gcc-patches&date=2016-01&msgid=1451802493-17406-1-git-send-email-vapier%40gentoo.org + +Since the 3.0.3 release of gperf (made in May 2007), the generated func +has had the gnu_inline attribute applied to it. The gcc source however +has not been updated to include that which has lead to a mismatch. + +In practice, this hasn't been an issue for two reasons: +(1) Before gcc-5, the default standard was (gnu) C89, and gcc does not +warn or throw an error in this mode. +(2) Starting with gcc-4.8, the compiler driver used to build gcc was +changed to C++, and g++ does not warn or throw an error in this mode. + +This error does show up though when using gcc-5 to build gcc-4.7 or +older as then the default is (gnu) C11 and the C compiler driver is +used. That failure looks like: +In file included from .../gcc-4.7.4/gcc/cp/except.c:990:0: +cfns.gperf: At top level: +cfns.gperf:101:1: error: 'gnu_inline' attribute present on 'libc_name_p' +cfns.gperf:26:14: error: but not here + +Whether the compiler should always emit this error regardless of the +active standard or compiler driver is debatable (I think it should be +consistent -- either always do it or never do it). + +2015-08-06 Mike Frysinger <vapier@gentoo.org> + + * cfns.gperf [__GNUC__, __GNUC_STDC_INLINE__]: Apply the + __gnu_inline__ attribute. + * cfns.h: Regenerated. +--- + gcc/cp/cfns.gperf | 3 +++ + gcc/cp/cfns.h | 3 +++ + 2 files changed, 6 insertions(+) + +diff --git a/gcc/cp/cfns.gperf b/gcc/cp/cfns.gperf +index 68acd3d..953262f 100644 +--- a/gcc/cp/cfns.gperf ++++ b/gcc/cp/cfns.gperf +@@ -22,6 +22,9 @@ __inline + static unsigned int hash (const char *, unsigned int); + #ifdef __GNUC__ + __inline ++#ifdef __GNUC_STDC_INLINE__ ++__attribute__ ((__gnu_inline__)) ++#endif + #endif + const char * libc_name_p (const char *, unsigned int); + %} +diff --git a/gcc/cp/cfns.h b/gcc/cp/cfns.h +index 1c6665d..6d00c0e 100644 +--- a/gcc/cp/cfns.h ++++ b/gcc/cp/cfns.h +@@ -53,6 +53,9 @@ __inline + static unsigned int hash (const char *, unsigned int); + #ifdef __GNUC__ + __inline ++#ifdef __GNUC_STDC_INLINE__ ++__attribute__ ((__gnu_inline__)) ++#endif + #endif + const char * libc_name_p (const char *, unsigned int); + /* maximum key range = 391, duplicates = 0 */ +-- +2.6.2 + |