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package/gawk: add upstream fix for systems without MPFR and GMP

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Fixes build error with host-gcc-final:

options.cc:27216:2: error: #error 0Wabsolute-value does not have a Var() flag
27216 | #error 0Wabsolute-value does not have a Var() flag

$ head -n1 output/build/host-gcc-final-16.2.0/build/gcc/options.cc
  /* This file is auto-generated by optc-gen.awk.  */

introduced by the bump of gawk to 5.4.1 with buildroot commit
aa3db5b4e1.

Fixes:
https://autobuild.buildroot.net/results/672/6727e71716af3df8e2175a50740388bc669e5462/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Bernd Kuhls
2026-10-03 12:16:32 +02:00
committed by Thomas Petazzoni
parent 894cbeddaf
commit 8a01c8eba9
1 changed files with 63 additions and 0 deletions
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63
package/gawk/0001-Workaround-fix-for-systems-without-MPFR-and-GMP.patch Normal file
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@@ -0,0 +1,63 @@
From 3cfe33f90aa3899dac3d4e933e3c1ee9ee21491d Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Tue, 14 Jul 2026 10:14:50 +0300
Subject: [PATCH] Workaround fix for systems without MPFR and GMP.
Upstream: https://cgit.git.savannah.gnu.org/cgit/gawk.git/commit/?id=bf85f8a3175af703597082d4c7e0abc2066a44d3
https://lists.gnu.org/archive/html/bug-gawk/2026-10/msg00003.html
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
awk.h | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/awk.h b/awk.h
index dbad0d810..f4a84300f 100644
--- a/awk.h
+++ b/awk.h
@@ -406,17 +406,24 @@ typedef struct exp_node {
} nodep;
struct {
-#ifdef HAVE_MPFR
union {
AWKNUM fltnum;
+#ifdef HAVE_MPFR
mpfr_t mpnum;
mpz_t mpi;
- } nm;
- int rndmode;
#else
- AWKNUM fltnum;
- int for_alignment_only; // especially on 32-bit
-#endif
+ // 7/2026:
+ // This is a workaround for systems that build
+ // gawk without MPFR and GMP. The NODE struct
+ // desperately needs to be refactored.
+#if SIZEOF_VOID_P == 4
+ char alignment[28];
+#else // SIZEOF_VOID_P != 4
+ char alignment[48];
+#endif // SIZEOF_VOID_P != 4
+#endif // HAVE_MPFR
+ } nm;
+ int rndmode; // only used for MPFR.
char *sp;
size_t slen;
int idx;
@@ -561,10 +568,8 @@ typedef struct exp_node {
#ifdef HAVE_MPFR
#define mpg_numbr sub.val.nm.mpnum
#define mpg_i sub.val.nm.mpi
-#define numbr sub.val.nm.fltnum
-#else
-#define numbr sub.val.fltnum
#endif
+#define numbr sub.val.nm.fltnum
#define typed_re sub.val.typre
/*
--
2.47.3