From 333a34da3a6d13155de480e7d16ec5fec7f4cd6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Wed, 21 Jun 2017 16:54:22 +0300
Subject: [PATCH] configure: Automatically add -isysroot for darwin if
--sysroot is specified
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Check the existing flags in the cc/cflags/cppflags/ldflags for
occurrances of -isysroot; if none is found but --sysroot was specified,
set -isysroot to the same value as --sysroot.
This simplifies configuring cross-builds for iOS, if the global
environment variable SDKROOT isn't set.
Signed-off-by: Martin Storsjö <martin@martin.st>
---
configure | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/configure b/configure
index 22de1b358e2..bbed2258b97 100755
--- a/configure
+++ b/configure
@@ -3981,6 +3981,10 @@ case $target_os in
{ check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
check_header dispatch/dispatch.h &&
add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
+ if test -n "$sysroot"; then
+ is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot
+ is_in -isysroot $ld $LDFLAGS || check_ldflags -isysroot $sysroot
+ fi
;;
msys*)
die "Native MSYS builds are discouraged, please use the MINGW environment."
--
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