GNU bug report logs - #61420
[PATCH 00/31] Haskell upgrade to Stackage 20.5

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From: Lars-Dominik Braun <lars <at> 6xq.net>
To: 61420 <at> debbugs.gnu.org
Cc: Lars-Dominik Braun <lars <at> 6xq.net>
Subject: [bug#61420] [PATCH 22/31] build: haskell-build-system: Build static executables by default.
Date: Sat, 11 Feb 2023 11:08:16 +0100

This is the only way to get reasonably small binaries that don’t pull
in a ton of ghc-* packages.

* guix/build/haskell-build-system.scm (configure): Explicitly
add --enable-static and --disable-executable-dynamic, as well as
-split-sections to configure flags.
---
 guix/build/haskell-build-system.scm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/guix/build/haskell-build-system.scm b/guix/build/haskell-build-system.scm
index d77f55da19..0e94cf59a5 100644
--- a/guix/build/haskell-build-system.scm
+++ b/guix/build/haskell-build-system.scm
@@ -99,10 +99,14 @@ (define* (configure #:key outputs inputs tests? (configure-flags '())
                    ,@(if tests?
                          '("--enable-tests")
                          '())
-                   ;; Build and link with shared libraries
+                   ;; Build static and shared libraries.
                    "--enable-shared"
-                   "--enable-executable-dynamic"
+                   "--enable-static"
+                   ;; Link executables statically by default.
+                   "--disable-executable-dynamic"
                    "--ghc-option=-fPIC"
+                   ;; Ensure static libraries can be used with -Wl,--gc-sections for size.
+                   "--ghc-option=-split-sections"
                    ,@configure-flags)))
     ;; Cabal errors if GHC_PACKAGE_PATH is set during 'configure', so unset
     ;; and restore it.
-- 
2.38.2

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