build: Remove use of the obsolete AC_TYPE_SIGNAL macro

C89 compilers use void return type for signal handler functions.

2 files changed, 1 insertions, 2 deletions

diff --git a/configure.ac b/configure.ac
index 71ed21a..6b0b3b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,7 +177,6 @@ dnl Checks for types
 dnl
 AC_TYPE_SIZE_T
 AC_TYPE_PID_T
-AC_TYPE_SIGNAL
 AC_UNP_CHECK_TYPE(uint8_t, unsigned char)
 AC_UNP_CHECK_TYPE(int16_t, short)
 AC_UNP_CHECK_TYPE(uint16_t, unsigned short)
diff --git a/src/main.c b/src/main.c
index c5d080f..8f2c185 100644
--- a/src/main.c
+++ b/src/main.c
@@ -51,7 +51,7 @@ unsigned int processed_config_file = FALSE;     /* boolean */
 /*
  * Handle a signal
  */
-static RETSIGTYPE
+static void
 takesig (int sig)
 {
         pid_t pid;