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authorFangrui Song <maskray@google.com>2021-09-13 12:39:20 -0700
committerFangrui Song <maskray@google.com>2021-09-13 12:39:20 -0700
commit5f07d47e4b3d137edfbe3ea6c4eeba1ea6cfa54d (patch)
tree9e0b40d482c03388e69acbb4f1028fd1fc0542ca /configure
parent43cea6d5652b6b9e61ac6ecc69419c909b504f47 (diff)
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configure: Fix check for INSERT in linker script
GCC/Clang use local access when referencing a const variable,
so the conftest.so may have no dynamic relocation.
LLD reports `error: unable to insert .foo after .rela.dyn` when the
destination section does not exist.

Use a non-const int to ensure that .rela.dyn exists.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure
index 542802ad35..39d75eb4ed 100755
--- a/configure
+++ b/configure
@@ -5793,7 +5793,7 @@ if ${libc_cv_insert+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   cat > conftest.c <<EOF
-		const int __attribute__ ((section(".bar"))) bar = 0x12345678;
+		int __attribute__ ((section(".bar"))) bar = 0x12345678;
 		int test (void) { return bar; }
 EOF
 		cat > conftest.t <<EOF