diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index e2839ca86..1e4c3ef47 100644 --- a/configure.ac +++ b/configure.ac @@ -83,6 +83,33 @@ dnl SED is supposed to be set in AC_LIBTOOL_SETUP, but the dnl sequence seems to get mixed up. SED=${SED-sed} + +dnl If CXX is neither unset nor empty nor "no", presume we can compile +dnl C++ sources. A C++ compiler is not required for libgphoto2 itself, +dnl but is useful to make sure that the libgphoto2 header files +dnl compile when included into C++ source files. +AM_CONDITIONAL([HAVE_CXX], [test "x$CXX" != "x" && test "x$CXX" != "xno"]) + + +dnl -------------------------------------------------------------------- +dnl Determine the most pedantic compiler flags we can can find for both +dnl C and C++, so that we can test that the libgphoto2 headers compile +dnl with those flags. +dnl -------------------------------------------------------------------- +GP_PEDANTIC_COMPILER_FLAGS([C90], [C], [-std=c90]) +GP_PEDANTIC_COMPILER_FLAGS([C99], [C], [-std=c99]) +GP_PEDANTIC_COMPILER_FLAGS([C11], [C], [-std=c11]) +dnl +GP_PEDANTIC_COMPILER_FLAGS([CXX98], [C++], [-std=c++98]) +GP_PEDANTIC_COMPILER_FLAGS([CXX11], [C++], [-std=c++11]) +GP_PEDANTIC_COMPILER_FLAGS([CXX14], [C++], [-std=c++14]) +GP_PEDANTIC_COMPILER_FLAGS([CXX17], [C++], [-std=c++17]) + + +dnl Every compile example after here will be using the C language +AC_LANG([C]) + + dnl --------------------------------------------------------------------------- dnl Turn on (almost) all warnings when using gcc dnl --------------------------------------------------------------------------- @@ -631,10 +658,6 @@ CPPFLAGS="$CPPFLAGS_save" ],[],[default-on],[http://www.sourceforge.net/projects/libexif])dnl -dnl FIXME: Is this accurate? -AM_CONDITIONAL([HAVE_CXX], [test -n "$CXX" && test "X$CXX" != "Xno"]) - - dnl --------------------------------------------------------------------------- dnl Configure subprojects dnl --------------------------------------------------------------------------- |