Blame SOURCES/c2esp-gcc10.patch
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diff --git a/src/c2espcommon.c b/src/c2espcommon.c
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index 51291f7..409e7f6 100644
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--- a/src/c2espcommon.c
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+++ b/src/c2espcommon.c
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@@ -43,11 +43,11 @@
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* Globals...
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*/
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char CallerName[50]; /* String that identifies the calling program */
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-int DoBack; /* Enables the back channel comms */
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+extern int DoBack; /* Enables the back channel comms */
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char BackBuf[32000]; //for the back channel replies from the printer
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int BackBufLen=sizeof(BackBuf)-1;
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FILE *LogFile = NULL; //file descriptor for log file
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-time_t StartTime;
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+extern time_t StartTime;
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int BlackPercent, ColourPercent;
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time_t KeepAwake(time_t Start, int Interval, FILE *PrintFile)
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diff --git a/src/c2espcommon.h b/src/c2espcommon.h
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index b726204..967e9ce 100644
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--- a/src/c2espcommon.h
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+++ b/src/c2espcommon.h
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@@ -35,8 +35,8 @@
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/*
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* Globals...
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*/
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-char BackBuf[32000]; //for the back channel replies from the printer
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-int ColourPercent, BlackPercent; //to store the detected marker levels
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+extern char BackBuf[32000]; //for the back channel replies from the printer
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+extern int ColourPercent, BlackPercent; //to store the detected marker levels
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time_t KeepAwake(time_t Start, int Interval, FILE *PrintFile);
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