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[PATCH] config.mak.uname: use iconv from Homebrew on macOS

From
René Scharfe <l.s.r@web.de>
Date
Dec 9, 2025, 19:35 UTC
Message-ID
<16efc726-34be-44f5-aa92-4e82b663ab3d@web.de>
In-Reply-To
<53690064-1c98-40e9-8b9a-7ba6bee63703@web.de>

The library function iconv(3) supplied with macOS versions 15.7.2 (Sequoia) and 26.1 (Tahoe) is unreliable when doing conversions from ISO-2022-JP to UTF-8 in multiple steps; t3900 reports this breakage:

  not ok 17 - ISO-2022-JP should be shown in UTF-8 now
  not ok 25 - ISO-2022-JP should be shown in UTF-8 now
  not ok 38 - commit --fixup into ISO-2022-JP from UTF-8
As a workaround, use libiconv from Homebrew, if available.
Helped-by: Koji Nakamaru <koji.nakamaru@gree.net>
Signed-off-by: René Scharfe <l.s.r@web.de>
---
 config.mak.uname | 7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/config.mak.uname b/config.mak.uname
index 1691c6ae6e..1b305e38c6 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -182,6 +182,13 @@ ifeq ($(uname_S),Darwin)
         endif
         endif
 
+	ifeq ($(shell test -d /opt/homebrew/opt/libiconv/ && echo y),y)
+		ICONVDIR ?= /opt/homebrew/opt/libiconv
+	endif
+	ifeq ($(shell test -d /usr/local/opt/libiconv/ && echo y),y)
+		ICONVDIR ?= /usr/local/opt/libiconv
+	endif
+
 	BASIC_LDFLAGS += -framework CoreServices
 endif
 ifeq ($(uname_S),SunOS)
-- 
2.52.0
Previous: René ScharfeNext: Yee Cheng Chin
Message 9 of 45 in “t3900 failure on macOS, iconv(3) broken?”
  1. René ScharfeDec 8, 2025
  2. Koji NakamaruDec 9, 2025
  3. Yee Cheng ChinDec 9, 2025
  4. Collin FunkDec 9, 2025
  5. Torsten BögershausenDec 9, 2025
  6. René ScharfeDec 9, 2025
  7. Torsten BögershausenDec 9, 2025
  8. René ScharfeDec 9, 2025
  9. config.mak.uname: use iconv from Homebrew on macOSRené Scharfe, Dec 9, 2025
  10. Yee Cheng ChinDec 9, 2025
  11. René ScharfeDec 9, 2025
  12. Carlo Marcelo Arenas BelónDec 10, 2025
  13. René ScharfeDec 10, 2025
  14. Junio C HamanoDec 11, 2025
  15. Carlo Marcelo Arenas BelónDec 11, 2025
  16. Junio C HamanoDec 12, 2025
  17. René ScharfeDec 12, 2025
  18. Carlo Marcelo Arenas BelónDec 12, 2025
  19. Re* [PATCH] config.mak.uname: use iconv from Homebrew on macOSJunio C Hamano, Dec 12, 2025
  20. René ScharfeDec 12, 2025
  21. Junio C HamanoDec 12, 2025
  22. Torsten BögershausenDec 10, 2025
  23. René ScharfeDec 10, 2025
  24. brian m. carlsonDec 10, 2025
  25. Junio C HamanoDec 11, 2025
  26. Junio C HamanoDec 11, 2025
  27. René ScharfeDec 11, 2025
  28. Junio C HamanoDec 12, 2025
  29. René ScharfeDec 12, 2025
  30. 2/2 config.mak.uname: use iconv from Homebrew on macOSRené Scharfe, Dec 13, 2025
  31. 1/2 Makefile: add NO_HOMEBREWRené Scharfe, Dec 13, 2025
  32. Torsten BögershausenDec 14, 2025
  33. Junio C HamanoDec 14, 2025
  34. Torsten BögershausenDec 14, 2025
  35. Junio C HamanoDec 14, 2025
  36. René ScharfeDec 14, 2025
  37. Junio C HamanoDec 14, 2025
  38. René ScharfeDec 16, 2025
  39. 1/2 macOS: make Homebrew use configurableRené Scharfe, Dec 16, 2025
  40. René ScharfeDec 16, 2025
  41. Torsten BögershausenDec 16, 2025
  42. 2/2 macOS: use iconv from Homebrew if presentRené Scharfe, Dec 16, 2025
  43. 0/2 macOS: use iconv from Homebrew if needed and presentRené Scharfe, Dec 24, 2025
  44. 2/2 macOS: use iconv from Homebrew if needed and presentRené Scharfe, Dec 24, 2025
  45. 1/2 macOS: make Homebrew use configurableRené Scharfe, Dec 24, 2025

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