Test if -Wextra is supported. Closes #155.

This commit is contained in:
Hisham Muhammad 2015-02-04 12:19:04 -02:00
parent 83a829a286
commit aed9b9d18e
2 changed files with 14 additions and 1 deletions

View File

@ -12,7 +12,7 @@ applications_DATA = htop.desktop
pixmapdir = $(datadir)/pixmaps
pixmap_DATA = htop.png
htop_CFLAGS = -pedantic -Wall -Wextra -std=c99 -rdynamic -D_XOPEN_SOURCE_EXTENDED -DSYSCONFDIR=\"$(sysconfdir)\" -I"$(my_htop_platform)"
htop_CFLAGS = -pedantic -Wall $(wextra_flag) -std=c99 -rdynamic -D_XOPEN_SOURCE_EXTENDED -DSYSCONFDIR=\"$(sysconfdir)\" -I"$(my_htop_platform)"
AM_CPPFLAGS = -DNDEBUG
myhtopsources = AvailableMetersPanel.c CategoriesPanel.c CheckItem.c \

View File

@ -68,6 +68,19 @@ AC_TRY_COMPILE(AC_INCLUDES_DEFAULT, [char *a; a = strdup("foo"); int i = 0; i++;
AC_MSG_ERROR([htop is written in C99. A newer version of gcc is required.]))
CFLAGS="$save_cflags"
save_cflags="${CFLAGS}"
CFLAGS="$CFLAGS -Wextra"
AC_MSG_CHECKING([if compiler supports -Wextra])
AC_TRY_COMPILE([], [], [
wextra_flag=-Wextra
AC_MSG_RESULT([yes])
],[
wextra_flag=
AC_MSG_RESULT([no])
])
CFLAGS="$save_cflags"
AC_SUBST(wextra_flag)
# Checks for features and flags.
# ----------------------------------------------------------------------
PROCDIR=/proc