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configure: add section for libc-specific hacks

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Mans Rullgard 2012-09-04 13:57:37 +01:00 committed by Martin Storsjö
parent a3222470de
commit b797f3c4d0
1 changed files with 20 additions and 3 deletions
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23
configure vendored
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@ -2710,9 +2710,6 @@ case $target_os in
ranlib=:
enable dos_paths
check_cflags -fno-common
check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
|| (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
die "ERROR: MinGW runtime version must be >= 3.15."
add_cppflags -U__STRICT_ANSI__
;;
cygwin*)
@ -2797,6 +2794,26 @@ case $target_os in
;;
esac
# determine libc flavour
if check_cpp_condition features.h "defined __UCLIBC__"; then
libc_type=uclibc
elif check_cpp_condition features.h "defined __GLIBC__"; then
libc_type=glibc
elif check_header _mingw.h; then
libc_type=mingw
check_cpp_condition _mingw.h \
"defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
(__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
die "ERROR: MinGW runtime version must be >= 3.15."
elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
libc_type=newlib
elif check_cpp_condition stddef.h "defined __KLIBC__"; then
libc_type=klibc
fi
test -n "$libc_type" && enable $libc_type
esc(){
echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
}