diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index d2d5b6f..2aaa9e6 100644 --- a/configure.ac +++ b/configure.ac @@ -38,6 +38,7 @@ LT_LDFLAGS="-version-info ${lt_current}:${lt_revision}:${lt_age} -no-undefined" m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])]) +EXTRA_CPPFLAGS= EXTRA_CFLAGS= dnl check for -std=gnu11 compiler support (optional) @@ -192,6 +193,9 @@ sunos) windows) AC_CHECK_TYPES([struct timespec], [], [], [[#include <time.h>]]) AC_DEFINE([_WIN32_WINNT], [_WIN32_WINNT_VISTA], [Define to the oldest supported Windows version.]) + dnl Cygwin and MSYS compilers do not define _WIN32 as MinGW and MSVC do + dnl simplify checks for Windows compilation by ensuring it is always defined + EXTRA_CPPFLAGS="-D_WIN32" LT_LDFLAGS="${LT_LDFLAGS} -avoid-version -Wl,--add-stdcall-alias" ;; *) @@ -328,6 +332,9 @@ fi SHARED_CFLAGS="-Wall -Wextra -Wshadow -Wunused -Wwrite-strings -Werror=format-security -Werror=implicit-function-declaration -Werror=implicit-int -Werror=init-self -Werror=missing-prototypes -Werror=strict-prototypes -Werror=undef -Werror=uninitialized" +AM_CPPFLAGS="${EXTRA_CPPFLAGS}" +AC_SUBST(AM_CPPFLAGS) + AM_CFLAGS="-std=${c_dialect}11 ${EXTRA_CFLAGS} ${SHARED_CFLAGS}" AC_SUBST(AM_CFLAGS) |