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From e64fb0ce10d01d99154fb4bd95529e5cd8dfd4be Mon Sep 17 00:00:00 2001
From: Andrew Robbins <contact@andrewrobbins.info>
Date: Fri, 27 Sep 2019 09:38:09 -0500
Subject: [PATCH] buildgcc: Check for '-pie' when building gmp
The regex formerly used was not flexible enough to catch some
instances where the '-pie' flag would be enabled.
---
util/crossgcc/buildgcc | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 97c38b8d95..a6e4728514 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -515,6 +515,13 @@ set_hostcflags_from_gmp() {
}
build_GMP() {
+ # Check if GCC enables `-pie` by default (possible since GCC 6).
+ # We need PIC in all static libraries then.
+ if $CC -dumpspecs 2>/dev/null | grep -q '[{;][[:space:]]*\(!no-pie\)\?:-pie\>'
+ then
+ OPTIONS="$OPTIONS --with-pic"
+ fi
+
CC="$CC" ../${GMP_DIR}/configure --disable-shared --enable-fat \
--prefix=$TARGETDIR $OPTIONS \
|| touch .failed
--
2.23.0
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