From 670af3aa595245b2cb7bbf911a49bfc4af2aa6ac Mon Sep 17 00:00:00 2001
From: John Koleszar <jkoleszar@google.com>
Date: Wed, 26 May 2010 15:57:42 -0400
Subject: [PATCH] configure: support --prefix, --libdir

Support --prefix, --libdir as a conventional way of specifying the default
installation directories. libdir is required to be a subdirectory of prefix
at this time.

Change-Id: If45d9e3129efcde83c05b7766accc9017988e715
---
 build/make/configure.sh | 29 ++++++++++++++++++++++++-----
 configure               |  7 +++----
 libs.mk                 | 18 +++++++++---------
 3 files changed, 36 insertions(+), 18 deletions(-)

diff --git a/build/make/configure.sh b/build/make/configure.sh
index 62d8b6497..26c6af073 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -442,7 +442,13 @@ process_common_cmdline() {
         disable builtin_libc
         alt_libc="${optval}"
         ;;
-        --libc)
+        --prefix=*)
+        prefix="${optval}"
+        ;;
+        --libdir=*)
+        libdir="${optval}"
+        ;;
+        --libc|--prefix|--libdir)
         die "Option ${opt} requires argument"
         ;;
         --help|-h) show_help
@@ -463,6 +469,18 @@ process_cmdline() {
     done
 }
 
+
+post_process_common_cmdline() {
+    prefix="${prefix:-/usr/local}"
+    prefix="${prefix%/}"
+    libdir="${libdir:-${prefix}/lib}"
+    libdir="${libdir%/}"
+    if [ "${libdir#${prefix}}" == "${libdir}" ]; then
+        die "Libdir ${libdir} must be a subdirectory of ${prefix}"
+    fi
+}
+
+
 post_process_cmdline() {
     true;
 }
@@ -880,8 +898,8 @@ process_toolchain() {
 }
 
 print_config_mk() {
-    prefix=$1
-    makefile=$2
+    local prefix=$1
+    local makefile=$2
     shift 2
     for cfg; do
         upname="`toupper $cfg`"
@@ -892,8 +910,8 @@ print_config_mk() {
 }
 
 print_config_h() {
-    prefix=$1
-    header=$2
+    local prefix=$1
+    local header=$2
     shift 2
     for cfg; do
         upname="`toupper $cfg`"
@@ -924,6 +942,7 @@ process() {
     else
         echo "# ${self} $@" > ${logfile}
     fi
+    post_process_common_cmdline
     post_process_cmdline
     process_toolchain
     process_detect
diff --git a/configure b/configure
index 314f40605..b7fac9a33 100755
--- a/configure
+++ b/configure
@@ -8,7 +8,6 @@
 ##  file in the root of the source tree.
 ##
 
-
 #source_path="`dirname \"$0\"`"
 source_path=${0%/*}
 . "${source_path}/build/make/configure.sh"
@@ -369,11 +368,11 @@ process_targets() {
     fi
     enabled child || cat <<EOF >> config.mk
 ifeq (\$(MAKECMDGOALS),dist)
-DESTDIR?=${DIST_DIR}
+DIST_DIR?=${DIST_DIR}
 else
-DESTDIR?=/usr/local
+DIST_DIR?=\$(DESTDIR)${prefix}
 endif
-DIST_DIR?=\$(DESTDIR)
+LIBSUBDIR=${libdir##${prefix}/}
 EOF
     enabled child || echo "CONFIGURE_ARGS?=${CONFIGURE_ARGS}" >> config.mk
 
diff --git a/libs.mk b/libs.mk
index 310e7225b..544e71a2a 100644
--- a/libs.mk
+++ b/libs.mk
@@ -65,11 +65,11 @@ endif
 # tree to locations in the source/build trees.
 INSTALL_MAPS += include/vpx/% $(SRC_PATH_BARE)/vpx/%
 INSTALL_MAPS += include/vpx/% $(SRC_PATH_BARE)/vpx_ports/%
-INSTALL_MAPS += lib/%     %
+INSTALL_MAPS += $(LIBSUBDIR)/%     %
 INSTALL_MAPS += src/%     $(SRC_PATH_BARE)/%
 ifeq ($(CONFIG_MSVS),yes)
-INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),lib/$(p)/%  $(p)/Release/%)
-INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),lib/$(p)/%  $(p)/Debug/%)
+INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/%  $(p)/Release/%)
+INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/%  $(p)/Debug/%)
 endif
 
 # If this is a universal (fat) binary, then all the subarchitectures have
@@ -103,14 +103,14 @@ INSTALL-LIBS-$(CONFIG_DECODERS) += include/vpx/vpx_decoder_compat.h
 INSTALL-LIBS-$(CONFIG_ENCODERS) += include/vpx/vpx_encoder.h
 ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
 ifeq ($(CONFIG_MSVS),yes)
-INSTALL-LIBS-yes                  += $(foreach p,$(VS_PLATFORMS),lib/$(p)/$(CODEC_LIB).lib)
-INSTALL-LIBS-$(CONFIG_DEBUG_LIBS) += $(foreach p,$(VS_PLATFORMS),lib/$(p)/$(CODEC_LIB)d.lib)
-INSTALL-LIBS-$(CONFIG_SHARED) += $(foreach p,$(VS_PLATFORMS),lib/$(p)/vpx.dll)
-INSTALL-LIBS-$(CONFIG_SHARED) += $(foreach p,$(VS_PLATFORMS),lib/$(p)/vpx.exp)
+INSTALL-LIBS-yes                  += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/$(CODEC_LIB).lib)
+INSTALL-LIBS-$(CONFIG_DEBUG_LIBS) += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/$(CODEC_LIB)d.lib)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/vpx.dll)
+INSTALL-LIBS-$(CONFIG_SHARED) += $(foreach p,$(VS_PLATFORMS),$(LIBSUBDIR)/$(p)/vpx.exp)
 endif
 else
-INSTALL-LIBS-yes += lib/libvpx.a
-INSTALL-LIBS-$(CONFIG_DEBUG_LIBS) += lib/libvpx_g.a
+INSTALL-LIBS-yes += $(LIBSUBDIR)/libvpx.a
+INSTALL-LIBS-$(CONFIG_DEBUG_LIBS) += $(LIBSUBDIR)/libvpx_g.a
 endif
 
 CODEC_SRCS=$(call enabled,CODEC_SRCS)
-- 
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