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From 919f7d204291047182a042ef8f76d70fefb11c2f Mon Sep 17 00:00:00 2001
From: Thomas Deutschmann <whissi@whissi.de>
Date: Sun, 10 Aug 2025 00:18:31 +0200
Subject: [PATCH] build: link libfastjson against libm for modf()
glibc-2.42 changed modf causing IFUNC modf() resolution to fail at runtime
in rsyslog due to missing direct link against libm.
Adding -lm to Libs ensures the shared library has a DT_NEEDED entry for libm.
---
libfastjson.pc.in | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libfastjson.pc.in b/libfastjson.pc.in
index 7d3d375..c230c47 100644
--- a/libfastjson.pc.in
+++ b/libfastjson.pc.in
@@ -8,5 +8,5 @@ Description: a fast JSON implementation in C
Version: @VERSION@
Requires:
Libs.private: @LIBS@
-Libs: -L${libdir} -lfastjson
+Libs: -L${libdir} -lfastjson -lm
Cflags: -I${includedir}/libfastjson
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