From ed86f2dda3bc99e34775f0fae54e314718037516 Mon Sep 17 00:00:00 2001
From: Sandro Mani <manisandro@gmail.com>
Date: Wed, 23 Jun 2021 14:09:05 +0200
Subject: [PATCH] Don't prepend sysroot_dir if pkg-config file lies outside of
 sysroot_dir

---
 libpkgconf/pkg.c     | 10 ++++++++++
 tests/regress.sh     | 28 ++++++++++++----------------
 tests/test_env.sh.in |  2 +-
 3 files changed, 23 insertions(+), 17 deletions(-)

diff --git a/libpkgconf/pkg.c b/libpkgconf/pkg.c
index f1c075f..bf0d911 100644
--- a/libpkgconf/pkg.c
+++ b/libpkgconf/pkg.c
@@ -406,6 +406,16 @@ pkgconf_pkg_new_from_file(pkgconf_client_t *client, const char *filename, FILE *
 	pkgconf_tuple_add(client, &pkg->vars, "pcfiledir", pc_filedir_value, true);
 	free(pc_filedir_value);
 
+	/* If pc_filedir is outside of sysroot_dir, clear pc_filedir
+	/* See https://github.com/pkgconf/pkgconf/issues/213
+	 */
+	if (client->sysroot_dir && strncmp(pkg->pc_filedir, client->sysroot_dir, strlen(client->sysroot_dir)))
+	{
+		free(client->sysroot_dir);
+		client->sysroot_dir = NULL;
+		pkgconf_client_set_sysroot_dir(client, NULL);
+	}
+
 	/* make module id */
 	if ((idptr = strrchr(pkg->filename, PKG_DIR_SEP_S)) != NULL)
 		idptr++;
diff --git a/tests/regress.sh b/tests/regress.sh
index 47877d4..04d4042 100755
--- a/tests/regress.sh
+++ b/tests/regress.sh
@@ -112,7 +112,7 @@ libs_never_mergeback_body()
 	export PKG_CONFIG_PATH="${selfdir}/lib1"
 	atf_check \
 		-o inline:"-L/test/bar/lib -lfoo1 \n" \
-		pkgconf --libs prefix-foo1	
+		pkgconf --libs prefix-foo1
 	atf_check \
 		-o inline:"-L/test/bar/lib -lfoo1 -lfoo2 \n" \
 		pkgconf --libs prefix-foo1 prefix-foo2
@@ -160,9 +160,9 @@ isystem_munge_order_body()
 
 isystem_munge_sysroot_body()
 {
-	export PKG_CONFIG_PATH="${selfdir}/lib1" PKG_CONFIG_SYSROOT_DIR='/test'
+	export PKG_CONFIG_PATH="${selfdir}/lib1" PKG_CONFIG_SYSROOT_DIR="${selfdir}"
 	atf_check \
-		-o match:"-isystem /test/opt/bad/include" \
+		-o match:"-isystem ${selfdir}/opt/bad/include" \
 		pkgconf --cflags isystem
 }
 
@@ -176,9 +176,9 @@ idirafter_munge_order_body()
 
 idirafter_munge_sysroot_body()
 {
-	export PKG_CONFIG_PATH="${selfdir}/lib1" PKG_CONFIG_SYSROOT_DIR='/test'
+	export PKG_CONFIG_PATH="${selfdir}/lib1" PKG_CONFIG_SYSROOT_DIR="${selfdir}"
 	atf_check \
-		-o match:"-idirafter /test/opt/bad/include" \
+		-o match:"-idirafter ${selfdir}/opt/bad/include" \
 		pkgconf --cflags idirafter
 }
 
@@ -195,20 +195,16 @@ pcpath_body()
 	export PKG_CONFIG_PATH="${selfdir}/lib2"
 	atf_check \
 		-o inline:"-fPIC -I/test/include/foo \n" \
-		pkgconf --cflags ${selfdir}/lib3/bar.pc	
+		pkgconf --cflags ${selfdir}/lib3/bar.pc
 }
 
 sysroot_munge_body()
 {
-	export PKG_CONFIG_PATH="${selfdir}/lib1" PKG_CONFIG_SYSROOT_DIR="/sysroot"
+	sed "s|/sysroot/|${selfdir}/|g" ${selfdir}/lib1/sysroot-dir.pc > ${selfdir}/lib1/sysroot-dir-selfdir.pc
+	export PKG_CONFIG_PATH="${selfdir}/lib1" PKG_CONFIG_SYSROOT_DIR="${selfdir}"
 	atf_check \
-		-o inline:"-L/sysroot/lib -lfoo \n" \
-		pkgconf --libs sysroot-dir
-
-	export PKG_CONFIG_SYSROOT_DIR="/sysroot2"
-	atf_check \
-		-o inline:"-L/sysroot2/sysroot/lib -lfoo \n" \
-		pkgconf --libs sysroot-dir
+		-o inline:"-L${selfdir}/lib -lfoo \n" \
+		pkgconf --libs sysroot-dir-selfdir
 }
 
 virtual_variable_body()
@@ -244,8 +240,8 @@ malformed_quoting_body()
 
 explicit_sysroot_body()
 {
-	export PKG_CONFIG_SYSROOT_DIR=/sysroot
-	atf_check -o inline:"/sysroot/usr/share/test\n" \
+	export PKG_CONFIG_SYSROOT_DIR=${selfdir}
+	atf_check -o inline:"${selfdir}/usr/share/test\n" \
 		pkgconf --with-path="${selfdir}/lib1" --variable=pkgdatadir explicit-sysroot
 }
 
diff --git a/tests/test_env.sh.in b/tests/test_env.sh.in
index e0ce042..d2b6136 100644
--- a/tests/test_env.sh.in
+++ b/tests/test_env.sh.in
@@ -24,7 +24,7 @@ done
 selfdir="@abs_top_srcdir@/tests"
 LIBRARY_PATH_ENV="LIBRARY_PATH"
 PATH_SEP=":"
-SYSROOT_DIR="${selfdir}/test"
+SYSROOT_DIR="${selfdir}"
 case "$(uname -s)" in
 Haiku) LIBRARY_PATH_ENV="BELIBRARIES";;
 esac