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build: enforce minimum required Windows version (7) 

Instruct the linker to set the major & minor subsystem versions in the PE
header to 6 & 1 (NT 6.1 which corresponds to Windows 7). Similar to
macOS, the binary will now refuse to run on unsupported versions of
Windows.

(cherry picked from commit e8a8cff07c409c7eecd478d3df36c7ba92c59730)
This commit is contained in:
fanquake 2020-05-12 15:44:52 +08:00 committed by Jack Grigg
parent 865c64a8f8
commit 7de8682236
1 changed files with 2 additions and 0 deletions
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configure.ac
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@ -412,6 +412,8 @@ case $host in
archive_cmds_CXX="\$CC -shared \$libobjs \$deplibs \$compiler_flags -static -o \$output_objdir/\$soname \${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker \$lib"
postdeps_CXX=
dnl We require Windows 7 (NT 6.1) or later
AX_CHECK_LINK_FLAG([[-Wl,--major-subsystem-version -Wl,6 -Wl,--minor-subsystem-version -Wl,1]],[LDFLAGS="$LDFLAGS -Wl,--major-subsystem-version -Wl,6 -Wl,--minor-subsystem-version -Wl,1"],,[[$LDFLAG_WERROR]])
;;
*darwin*)
TARGET_OS=darwin