Re: [PR PATCH] [Updated] common/build-style/gnu-makefile.sh: define prefix, PREFIX for build

[classabbyamp <classabbyamp@users.noreply.github.com>]

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There is an updated pull request by classabbyamp against master on the void-packages repository

https://github.com/classabbyamp/void-packages gnu-make-build-pfx
https://github.com/void-linux/void-packages/pull/38823

common/build-style/gnu-makefile.sh: define prefix, PREFIX for build
<!-- Uncomment relevant sections and delete options which are not applicable -->

#### Testing the changes
- I tested the changes in this PR: **briefly**

Should fix some issues where PREFIX or prefix is used during build, like with netsurf (b7853685fb20db4c91bbc5a1cd7a9cfe6c15cbd1)


A patch file from https://github.com/void-linux/void-packages/pull/38823.patch is attached

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From eea69687cd2f866de8649b2fa0cb44ce14fb4eac Mon Sep 17 00:00:00 2001
From: classabbyamp <void@placeviolette.net>
Date: Mon, 22 Aug 2022 00:40:54 -0400
Subject: [PATCH] common/build-style/gnu-makefile.sh: define prefix, PREFIX for
 build

---
 common/build-style/gnu-makefile.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/build-style/gnu-makefile.sh b/common/build-style/gnu-makefile.sh
index 04e407af255c..f81ef4e21db4 100644
--- a/common/build-style/gnu-makefile.sh
+++ b/common/build-style/gnu-makefile.sh
@@ -9,8 +9,10 @@ do_build() {
 			CC="$CC" CXX="$CXX" LD="$LD" AR="$AR" RANLIB="$RANLIB" \
 			CPP="$CPP" AS="$AS" OBJCOPY="$OBJCOPY" OBJDUMP="$OBJDUMP" \
 			CFLAGS="$CFLAGS" CXXFLAGS="$CXXFLAGS" LDFLAGS="$LDFLAGS" \
+			PREFIX=/usr prefix=/usr \
 			${makejobs} ${make_build_args} ${make_build_target}
 	else
+		export PREFIX=/usr prefix=/usr
 		${make_cmd} ${makejobs} ${make_build_args} ${make_build_target}
 	fi
 }
@@ -37,5 +39,5 @@ do_install() {
 	: ${make_cmd:=make}
 	: ${make_install_target:=install}
 
-	${make_cmd} STRIP=true PREFIX=/usr DESTDIR=${DESTDIR} ${make_install_args} ${make_install_target}
+	${make_cmd} STRIP=true PREFIX=/usr prefix=/usr DESTDIR=${DESTDIR} ${make_install_args} ${make_install_target}
 }