On Cygwin systems MinGW headers can be present if the corresponding
packages have been installed. Since the MinGW libc is checked for
first, this results in newlib getting misdetected as MinGW libc.
---
configure | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/configure b/configure
index 77600ef..c41a396 100755
--- a/configure
+++ b/configure
@@ -3041,15 +3041,16 @@ if check_cpp_condition features.h "defined __UCLIBC__";
then
elif check_cpp_condition features.h "defined __GLIBC__"; then
libc_type=glibc
add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
+# MinGW headers can be installed on Cygwin, so check for newlib first.
+elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
+ libc_type=newlib
+ add_cppflags -U__STRICT_ANSI__
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
- add_cppflags -U__STRICT_ANSI__
elif check_func_headers stdlib.h _get_doserrno; then
libc_type=msvcrt
add_compat strtod.o strtod=avpriv_strtod
--
1.7.1
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