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.
---
configure | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/configure b/configure
index 22de1b358e..c976ee82bd 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
+ echo "$cc $CPPFLAGS $CFLAGS" | grep -q -- '-isysroot' ||
check_cppflags -isysroot $sysroot
+ echo "$ld $LDFLAGS" | grep -q -- '-isysroot' || check_ldflags
-isysroot $sysroot
+ fi
;;
msys*)
die "Native MSYS builds are discouraged, please use the MINGW
environment."
--
2.11.0 (Apple Git-81)
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