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https://github.com/gwsw/less/pull/412
From 5d884b29fb11c2686b804428f483f4607334eb68 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sun, 13 Aug 2023 03:57:25 +0100
Subject: [PATCH] lesstest: use pkg-config to find ncurses libraries
Fails to build with split tinfo otherwise like:
```
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type -ggdb3 -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -Wl,-z,pack-relative-relocs -ggdb3 -o lesstest display.o env.o lesstest.o parse.o pipeline.o log.o run.o term.o wchar.o -lncurses
/usr/lib/gcc/x86_64-pc-linux-gnu/13/../../../../x86_64-pc-linux-gnu/bin/ld: display.o: in function `display_screen':
/var/tmp/portage/sys-apps/less-643/work/less-643/lesstest/display.c:86:(.text+0x2e0): undefined reference to `tgoto'
/usr/lib/gcc/x86_64-pc-linux-gnu/13/../../../../x86_64-pc-linux-gnu/bin/ld: term.o: in function `setup_mode':
/var/tmp/portage/sys-apps/less-643/work/less-643/lesstest/term.c:83:(.text+0x18): undefined reference to `tgetstr'
[...]
```
Going forward, we may want to just add a Makefile.in which configure handles
to the lesstest subdir.
Signed-off-by: Sam James <sam@gentoo.org>
--- a/lesstest/Makefile
+++ b/lesstest/Makefile
@@ -1,7 +1,8 @@
CC ?= gcc
CFLAGS ?= -Wall -O2
LDFLAGS ?=
-TERMLIB = -lncurses
+PKG_CONFIG ?= pkg-config
+TERMLIB ?= $(shell ${PKG_CONFIG} --libs ncurses)
srcdir ?= .
all: lesstest lt_screen
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