From 5216903ae6c3f91ebefb1152af40753f723cbc39 Mon Sep 17 00:00:00 2001 From: Eli Zaretskii Date: Sun, 19 May 2024 10:58:52 +0300 Subject: [PATCH] Fix MinGW build with GCC 14 and later * configure.ac [mingw]: Add -Wno-error=implicit-function-declaration to GCC_TEST_OPTIONS. (Bug#70889) --- configure.ac | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/configure.ac b/configure.ac index cab9eedd6cf..e3213f4ac79 100644 --- a/configure.ac +++ b/configure.ac @@ -1493,7 +1493,11 @@ case "${canonical}" in *-mingw* ) opsys=mingw32 # MinGW overrides and adds some system headers in nt/inc. - GCC_TEST_OPTIONS="-I $srcdir/nt/inc" + # Also, GCC 14 turns on implicit-function-declaration + # error by default, which fails configure tests where our + # emulation of Posix headers defines only the minimal + # stuff we actually need. + GCC_TEST_OPTIONS="-I $srcdir/nt/inc -Wno-error=implicit-function-declaration" ;; *-sysv4.2uw* ) opsys=unixware ;; *-sysv5uw* ) opsys=unixware ;; @@ -1508,7 +1512,7 @@ case "${canonical}" in *-mingw* ) opsys=mingw32 # MinGW overrides and adds some system headers in nt/inc. - GCC_TEST_OPTIONS="-I $srcdir/nt/inc" + GCC_TEST_OPTIONS="-I $srcdir/nt/inc -Wno-error=implicit-function-declaration" ;; ## Otherwise, we'll fall through to the generic opsys code at the bottom. esac