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| author | Bram Moolenaar <Bram@vim.org> | 2018-04-14 14:37:07 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2018-04-14 14:37:07 +0200 |
| commit | 2e324950b83fcdf60843b54a6a339183370f338a (patch) | |
| tree | c80a94cf7de8b07ad87c83d2188e83620df86cb0 /src/configure.ac | |
| parent | 78a16b0f2a142aae1fdc96c50ab0f25194d0e755 (diff) | |
patch 8.0.1709: some non-C89 code may slip throughv8.0.1709
Problem: Some non-C89 code may slip through.
Solution: Enforce C89 in configure. Fix detected problems. (James McCoy,
closes #2735)
Diffstat (limited to 'src/configure.ac')
| -rw-r--r-- | src/configure.ac | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/configure.ac b/src/configure.ac index f2655a575d..27309b205d 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -11,7 +11,7 @@ AC_DEFINE(UNIX) AC_PROG_MAKE_SET dnl Checks for programs. -AC_PROG_CC dnl required by almost everything +AC_PROG_CC_C89 dnl required by almost everything AC_PROG_CPP dnl required by header file checks AC_PROGRAM_EGREP dnl required by AC_EGREP_CPP AC_PROG_FGREP dnl finds working grep -F @@ -61,6 +61,9 @@ if test "$GCC" = yes; then CFLAGS="$CFLAGS -fno-strength-reduce" fi fi + + dnl Declare what standards the code should comply with + CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700" fi dnl clang-500.2.75 or around has abandoned -f[no-]strength-reduce and issues a @@ -135,7 +138,7 @@ AC_MSG_CHECKING([for Darwin (Mac OS X)]) if test "`(uname) 2>/dev/null`" = Darwin; then AC_MSG_RESULT(yes) MACOS_X=yes - CPPFLAGS="$CPPFLAGS -DMACOS_X" + CPPFLAGS="$CPPFLAGS -D_DARWIN_C_SOURCE -DMACOS_X" AC_MSG_CHECKING(--disable-darwin argument) AC_ARG_ENABLE(darwin, @@ -4400,6 +4403,12 @@ if test "$zOSUnix" = "yes"; then CFLAGS="-D_ALL_SOURCE -Wc,float\(ieee\),dll" fi +dnl Declare what standards the code should comply with. But not when using +dnl GTK, the header files cause all kinds of warnings. +if test "$GCC" = yes -a "$GUITYPE" != "GTK"; then + CFLAGS="$CFLAGS -ansi" +fi + dnl write output files AC_OUTPUT(auto/config.mk:config.mk.in) |